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Simplifying Rational Expressions




 
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More Lessons for Algebra, Math Worksheets

What is a Rational Expression?
A rational expression is a fraction in which the numerator and/or the denominator are polynomials.

For example:

How to Simplify Rational Expressions?
In this lesson, we will look at simplifying rational expressions. A rational expression has been simplified or reduced to lowest terms if all common factors from the numerator and denominator have been canceled.
1. We first need to factor the polynomials
2. Cancel any common factors from the top and bottom of the rational expression.

Example:

Simplify each of the following rational expressions:

Solution:

The following videos show some examples of simplifying rational expressions.





 

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You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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