Solve for X with Fractions

How To : Solve for fractions with common denominators

This a simple video illustrating the process of addition involving fractions which have common denominators. The method is really quite easy and straightforward, as demonstrated by this video. One has to simply take the denominator of the sum as the same which is the common de ...more

How To : Solve inequalities with fractions in algebra

Solving math inequalities with fractions is easy when applying the rules presented in this video. • When you add or subtract the same number from each side of an inequality, the relationship between the two sides does not change. • When you multiply or divide each side of an ...more

How To : Solve equations with fractions and decimals

In this tutorial the instructor shows how to solve equations with fractions and decimals. When you have a fraction first try to simplify it by canceling out the common factors in the numerator and the denominator. If there are any decimals convert them into fractions. Now if y ...more

How To : Solve equations with fractions in algebra

Need to know how to solve two-step algebraic equations containing fractional values? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, tha ...more

How To : Solve Equations with Fractions

In this how to you will learn how to solve equations with fractions. You could use this in college. Here is an example on how to do one of these problems If you don't understand this example, here is a website to help you. Solving Equations - Cool math Algebra Help Lessons - H ...more

How To : Solve Equations with Fractions

Solving Equations with Fractions Using Addition In our first example, our equation is b - 11/10 = -13/5 We need to find out what the variable, 'b', is. A variable is a symbol that stands for an unknown number. To do so, we have to isolate the variable, meaning that we have t ...more

How To : Solve linear equations with fractions in algebra

Need help figuring out how to solve a linear equation involving fractions in algebra? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, th ...more

How To : Solve simple linear equations in algebra

Solving linear equations in algebra is done with multiplication, division, or reciprocals. Using reciprocals, or multiplicative inverse, as well as multiplying and dividing with certain formulas, you can solve linear equation word problems. Could you use a little help figuring ...more

How To : Divide fractions in two easy steps

Want to finally get on top of those icky fraction questions? Learn how to multiply and divide fractions the easy way. In this particular video, you will receive some very useful tips on how to solve most types of fractions. It will teach you exactly how to multiply and divide ...more

How To : Solve word problems with proportions

In this video the instructor shows how to use proportions to solve fractions. When you have a proportions problem with an unknown term, cross multiply and divide it to get the value of that unknown term. For example if given 7/8 = m/4, cross multiply 7/8 with 4, giving 7/2 whi ...more

How To : Solve rational equations

In this video the instructor shows how to solve rational equations. If you have fractions in your equation, then you need to factorize the denominators first. Now compute the least common denominator of all the denominators of the fraction. Next multiply both sides of the equa ...more

How To : Expand fractions

This is an educational video from The Free Math Tutor which explains how and why should we expand fractions. This video is basically for kids who have just been introduced to fractions in mathematics. The presenter explains using two examples, the above process. The first exa ...more

How To : Solve for ratios and proportions

In this tutorial the instructor shows how to solve ratios and proportions. He gives a two step approach to solve an equality of two fractions in which the value of a variable in unknown. He says that in the first step we should cross multiply the numbers across the diagonal. I ...more

How To : Solve rational equations easily

This video revolves around solving rational equations in Algebra 2. When you are given a rational equation, you have to find the greatest common factor and multiply all fractions to get that common factor. If a fraction already has that common factor, then no further step is n ...more

How To : Simplify complex fraction

In this video the instructor shows how to simplify a complex fraction. A complex fraction is a fraction that has fractions in both the numerator and the denominator of the original fraction. Complex fractions can look intimidating but are generally simple to solve, as shown in ...more

How To : Multiply math fractions

Math is one of those subjects in school where you either love it or hate it or just don't get it. But math is nothing to fear, because it's a part of our everyday lives, and ifs something everyone should know the basics of. Don’t let math intimidate you. Whether you’re multipl ...more

How To : Work with decimal numbers in prealgebra

You can do simple decimal calculation with out using a calculator once you understand the basic concept of decimals. In decimal equations when you have various operations between decimal numbers, you have to go by the order of operations in simplifying it. The order of operati ...more

How To : Multiply fractions with canceling

This video will show you how to carry out multiplication of fractions using cancellation, which will make your fraction multiplication problems simpler to solve. You will need to look at the numerator of the first fraction and the denominator of the second fraction and see if ...more

How To : Add to fractions with uncommon denominators.

Wondering how to add fractions with uncommon denominators? It is simple to solve the denominators there are three steps to find the uncommon denominators. first step is to find the lowest common denominator and you take 3/4 + 5/6. In this lowest common denominator is 12, then ...more

How To : Add fractions with unlike denominators

You can't add fractions when the denominators are not the same - it's a rule in math you can't ignore! Write out the two fractions you want to add. In this video, the equation to solve looks like this: 2/3 + 4/5 = ??? Start by making a common denominator. This is easy - just ...more

How To : Solve direct proportions

You can solve any proportion using the fundamental rule of proportions. First you must build the proportion if you are given a word problem. Decide using logic whether it is a direct proportion (more on one side means more on the other). If so, find the parts of the equation t ...more

How To : Solve a proportion word problem in algebra

In this math lesson we will learn how to solve a proportion word problem. Watch the video to learn how to set up a proportion, solve it, and interpret the answer. Definition A proportion is a statement that two ratios (or fractions) are equal. The cross products of the terms ...more

How To : Multiply and divide fractions with Mr Binkley

In this tutorial the author Binkley shows how to multiply and divide fractions. He says that the first thing to remember before multiplying and dividing fractions is to first check if all the numbers are in the fraction form. Now in the second step if its multiplication we can ...more

How To : Multiply and divide three rational expressions

In this video, the instructor shows how to multiply and divide rational expressions. To solve a rational expression that contains many terms, solve step by step by following the order of operations. Order of operations advises one to work the parenthesis part first; so solve t ...more

How To : Calculate percentages with monetary examples

Do you need to brush up on your fraction and percentage skills or get ahead of the class in math? This video shows several different examples of how to calculate percentages by using fractions. Money is used as a frequent example because quarters and change are easier to figur ...more

How To : Find the sum of reciprocals of complex numbers

In this tutorial the instructor shows how to calculate the sum of reciprocals of complex numbers. If you have to find out the sum of the reciprocals of two complex numbers first you will have to find out the least common multiple of the denominators. To do this multiply the nu ...more

How To : Solve word problems using proportions

This video shows the method to solve word problems using proportions. In the given problem, we have to find the time taken by a person to type 390 words if the person takes 1 minute to type 30 words. This can be solved using proportions. We take two fractions which are equal. ...more

How To : Use cross products to solve proportions

To solve a proportion for a variable you should employ cross multiplication. The basis of cross multiplication is the property which states that the product of the numerator of one fraction and the denominator of what it is set equal to is equal to the product of the remaining ...more

How To : Use FOIL to distribute two binomials in algebra

Learn how to use the FOIL method to distribute two binomial expressions in algebra. The FOIL method — which stands for first, outer, inner, and last — takes two binomials and multiplies them for a single quadratic equation. Solving for binomials with FOIL takes just a few step ...more

How To : Turn a mixed number into an improper fraction

Sometimes math problems are easier to solve if you can convert a number into different types. In this tutorial, taught by a real math teacher, learn how to take a mixed number and turn it back into an improper fraction, and vice versa. This process won't take long and it will ...more

How To : Master sixth grade mathematics

Math class got you down? We all know sixth grade mathematics is where we all start to lose it. We get frustrated with all of those numbers, try to figure it out, but ultimately flunk out or barely pass the class. Maybe the teacher just wasn't good enough to educate us, who kno ...more

How To : Solve single-step equation by multiplication

This video will show you the simple mathematical concept of solving a single-step equation using multiplication. This is very useful for equations in which you need to solve for a variable and the variable is a part of a fraction. The example provided in the video shows a very ...more

How To : Simplify algebraic fractions

In this tutorial, we learn how to simplify algebraic fractions. First you will need to simplify the fractions. You need to factor the numerator out, figure out what A is and what B is. Then, figure out what C is and what the products equal as well. When you have these, you wil ...more

How To : Use implicit differentiation

Taking this formula 9x²+y²=9 your instructor shows you how to find the solution for the variable y. Finding a second derivative is no more difficult that finding the first derivative, you only have to do the problem equation through twice. The derivative of 9x² will be 18, of ...more

How To : Change fractions to decimals to percents

If you're looking for a quick way to refresh your memory or that of your students regarding percents, decimals and fractions then this video is a sure fire way. While it is a bit fast paced, this tutorial offers a step by step reintroduction to the math part of ourselves that ...more

How To : Solve a probability math word problem

In this lesson, you will learn how to solve a probability word problem. Need help with your algebra and geometry? Well... P(event)= Number of favorable outcomes / Total number of outcomes In the above problem, the number of favorable outcomes is 4 because there are $ blue ma ...more

How To : Use a spinner to solve math probablity problems

In this lesson we will learn how to solve probability problems involving a spinner. A probability measures the likelihood of a certain event. It always ranges between 0 and 1. The following formula can be used to find the probability of a particular event: P(event) = the num ...more

How To : Multiple, reduce, add, and subtract fractions

Get an all-in-one brain teaser by watching this math tutorial on how to simplify an expression that requires multiplying, reducing, adding, and subtracting. Solving the equation will put your math skills to the test because you'l have to draw on the greater portion of your ar ...more

How To : Convert decimals to fractions

At first, the concept of converting decimals to fractions sounded very difficult. But after watching this video and following the step by step instructions, it was easy. It is important to know the basic concepts of numerals, i.e., tenths, hundredths, etc. They provided an exa ...more

How To : Change mixed numbers to improper fractions

In this Math tutorial, you will learn how to convert a mixed number into an improper fraction. The narrator explains the process in a very concise yet simple manner that will make math problems involving mixed numbers so much easier to solve. The general idea is to multiply th ...more

How To : Simplify expressions with different exponents

This video shows the method to simplify expressions with different exponents. The video starts with the explanation of 16 raised to the power 1/4. This can be solved by taking the nth or the 4th root of 16 where n stands for the denominator of the fraction. Then the video expl ...more

How To : Add & subtract rational expressions

In this video the instructor shows how to add and subtract rational expressions. When you have an addition or subtraction problem of rational expressions, first look and compare the denominator of all the terms. If all of them have the same denominator then the expression can ...more

How To : Convert between fractions, decimals, and percents

In this tutorial the author explains of how to find out percentages of a given number. He explains that x percent of some number y is x multiplied by y and divided by 100. He goes on and explains this concept with numerous examples. He suggests a short cut to move the decimal ...more

How To : Make a mixed number from an improper fraction

Sometimes, problems are easier to solve if the numbers are presented in different ways. For example, if you are having trouble doing an equation with an improper fraction, consider turning that fraction into a mixed number to make math easier. In this tutorial, with teacher Mr ...more

How To : Convert decimals into fractions and percents

Decimal numbers, fractions and percents are pretty much three versions of the exact same value. In this tutorial, learn how to work with all three and convert them within each other. This video will walk you through the steps to convert a decimal into a fraction or a percentag ...more

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