How to add and subtract rational expressions is explained through the use of examples and a video lesson. [2:09]

Gain an understanding of how to add and subtract integers by viewing examples and a video lesson. [0:56]

Adding and subtracting polynomials is all about combining like terms. In this article, we review some examples and give you a chance for you to practice the skill yourself.

Get independent practice adding and subtracting fractions with unlike denominators. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.

Get independent practice adding and subtracting rational numbers. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.

Gain an understanding of how to add or subtract polynomials by viewing an example and a video lesson.

This lesson covers adding and subtracting rational expressions when the denominators are the same.

Provides examples and a video lesson that illustrates how to simplify a rational expression. [1:17]

This section draws on previous sections that explored how to add, subtract, multiply, and divide rational numbers in order to solve real-world problems involving rational equations. It explores how to apply these procedures in order to...