1. Multiply and divide fractions.

2. Warm-Up

3. VOCAB
Reciprocal: Flip a fraction over X
If we multiply them, we get 1

4. Multiplying Fractions
Top x Top
5 x 2 = =
6 x 3
Bottom x Bottom 10 5 = 18 9

5. Dividing Fractions = x

6. Example 1 Find the value of using models. Shade vertically.
Shade horizontally.
The answer is the number of regions that are shaded twice.
Put the answer in simplest form.

7. Example 2
Find the value of
Multiply.
Simplify.

8. Example 3
Find the value of
Divide.
Simplify.

9. Example 4 Find the value of . Divide. Simplify.
Change to a mixed number.

10. Exit Problems
Find each product or quotient. Write answers in simplest form.

11. Communication Prompt
Fractions can be simplified before or after multiplying.
Which method do you prefer and why?