### Home > PC > Chapter 4 > Lesson 4.2.1 > Problem 4-73

4-73.

Simplify the following rational expressions into a single fraction.

Multiply the first fraction by

and the second fraction by to get a common denominator.

Multiply out. Get a common denominator.

The bottom fraction flips to the numerator:

Distribute and simplify.

Show all of your steps.