1. Do Now: Multiply the expression. Simplify the result.

2. 7.3: Multiplying and Dividing Rational Expressions
Algebra II
7.3: Multiplying and Dividing
Rational Expressions

3. Simplifying Rational Expressions
A rational expression is in simplified form when its numerator and denominator have no common factors.

4. Example 1: Simplify

5. Simplify

6. Multiplying Rational Expressions
We multiply rational expressions the same way we multiply numerical fractions!
Multiply Numerators
Multiply Denominators
Simplify

7. Example 2

8. Example 3

9. Multiply the expression. Simplify the result.

10. Multiply the expression. Simplify the result.

11. Dividing Rational Expressions
We divide rational expressions the same way we divide numerical fractions!
Find the reciprocal of second expression
Multiply Numerators
Multiply Denominators
Simplify

12. Example 4

13. Example 5

14. Divide the expression. Simplify the result.

15. Divide the expression. Simplify the result.

16. Divide the expression. Simplify the result.