# 12.6: Division of Rational Expressions

Difficulty Level:

**Basic**Created by: CK-12
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rational function

rational function

A ratio of two polynomials (a polynomial divided by another polynomial). The formal definition is: .reciprocal

reciprocal

The**of a nonzero rational expression is .**

*reciprocal*Least Common Denominator

Least Common Denominator

The least common denominator or lowest common denominator of two fractions is the smallest number that is a multiple of both of the original denominators.Least Common Multiple

Least Common Multiple

The least common multiple of two numbers is the smallest number that is a multiple of both of the original numbers.Rational Expression

Rational Expression

A rational expression is a fraction with polynomials in the numerator and the denominator.### Image Attributions

## Description

Learn how to divide by rational expressions.

## Learning Objectives

None

## Related Materials

## Difficulty Level:

Basic## Subjects:

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## Date Created:

Feb 24, 2012## Last Modified:

Feb 26, 2015## Vocabulary

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