# 12.6: Division of Rational Expressions

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**Basic**Created by: CK-12Estimated18 minsto complete

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**Practice**Division of Rational Expressions

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rational function

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

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

*reciprocal*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

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

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

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Learn how to divide by rational expressions.

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Basic
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Date Created:

Feb 24, 2012
Last Modified:

Sep 13, 2016
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