Demonstrates how to find common denominators of rational expressions in order to subtract the given rational expressions. [5:35]

Video shows example of adding and subtracting rational expressions by creating a common denominator. [4:37]

A video on how to simplify a rational expression and then figure out the domain.

A demonstration on how to simplify a rational expression and stating the domain.

This lesson shows how to write the ratio of the width to the length of a rectangle as a simplified rational expression.

This video lesson demonstrates how to simplfy and multiply rational expressions. Students can check their understanding with an assessment.