1. How do we multiply and divide Rational Expressions?
Do Now: Multiply and Simplify

2. Step by step plan Factor Numerators and Denominators
Divide by all common factors, no matter in which expression they are located
You can “cancel” any numerator with any denominator. But you can not cancel two numerators or two denominators.
Multiply remaining factors in numerators and remaining factors in denominators

5. Try on your own

6. But how do we divide?
When we divide by a fraction it is the same as multiplying by the reciprocal.
Leave the first fraction as it is, flip the second fraction and multiply like normal.
Ex.

7. Try on your own

8. Recap To multiply: To Divide Factor
Eliminate from numerator and denominator
Multiply across
To Divide
Flip second fraction
Multiply like normal

9. Homework
Pg 118
Numbers 1-20