1. Multiplying and Dividing Fractions
Section 4.3
Multiplying and Dividing Fractions

2. Multiplying Fractions
To multiply two fractions, multiply the numerators and multiply the denominators.
If a, b, c, and d represent numbers, and b and d are not zero, we have

3. Example
Simply the fractions

4. Example
Simply the fractions.

5. Example
Simply the fractions

6. Example
Simply the fractions

7. Word Problem
A special on a cruise to the Bahamas is advertised to be ⅔ of the regular price. If the regular price is $2757, what is the sale price?

8. Reciprocal of a Fraction
Two numbers are reciprocals of each other if their product is 1.
The reciprocal of the fraction is

9. Example
Find the reciprocal for these fractions.

10. Dividing Fractions
To divide two fractions, multiply the first fraction by the reciprocal of the second fraction.
If a, b, c, and d represent numbers, and b, c and d are not zero, we have

11. Example
Simply the fractions.

12. Example
Simply the fractions.

13. Example
Perform the indicated operations.

14. Example
Perform the indicated operations.