2. Key Concept: Multiply Fractions Example 1: Multiply Fractions
Main Idea
Key Concept: Multiply Fractions
Example 1: Multiply Fractions
Example 2: Multiply Fractions
Example 3: Simplify Before Multiplying
Example 4: Multiply Mixed Numbers
Example 5: Real-World Example
Example 6: Real-World Example
Lesson Menu

3. Multiply fractions and mixed numbers.
Main Idea/Vocabulary

4. Key Concept

5. Find Write in simplest form.
Multiply Fractions
Find Write in simplest form.
Multiply the numerators.
Multiply the denominators.
Simplify.
Answer:
Example 1

6. Find Write in simplest form.A. B. C. D.
Example 1 CYP

7. Find Write in simplest form.
Multiply Fractions
Find Write in simplest form.
Write 6 as and as
Multiply the numerators.
Multiply the denominators.
Simplify.
Answer: –2
Example 2

8. Find Write in simplest form.A. B. C. D.
Example 2 CYP

9. Simplify Before Multiplying
Find Write in simplest form.
Divide 12 and 4 by their GCF, 4.
Multiply.
Answer:
Example 3

10. Find Write in simplest form.A. B. C. D.
Example 3 CYP

11. Multiply Mixed Numbers
Find Write in simplest form.
Estimate
Method 1 Rename the mixed number.
Rename as an improper fraction, Divide 48 and 3 by their GCF, 3.
Example 4

12. Multiply Mixed Numbers
Simplify.
Method 2 Use mental math.
The mixed number is equal to Use the Distributive Property to multiply.
Example 4

13. Multiply Mixed Numbers
Answer:
Check for Reasonableness 
Example 4

14. Find Write in simplest form.A. B. C. D.
Example 4 CYP

15. Example 5

16. Rename the mixed number as an improper fraction.
Write the equation.
Rename the mixed number as an improper fraction.
Divide 868 and 4 by their GCF, 4. Divide 3 and 3 by their GCF, 3.
Example 5

17. Multiply. Then rename as a whole number.
Answer: Mel’s father rode 217 miles.
Example 5

18. DISTANCE Seth’s house is 8 miles from school
DISTANCE Seth’s house is miles from school. Tina’s house is of this distance from school. How far is Tina’s house from school?
A mi C mi
B mi D mi
Example 5 CYP

19. CANNING Roberta canned 32 quarts of her prize-winning apricot jam
CANNING Roberta canned 32 quarts of her prize-winning apricot jam. She sold of them at a street fair. Find the number of quarts she sold.
Example 6

20. Rename the mixed number as an improper fraction.
Write the equation.
Rename the mixed number as an improper fraction.
Divide 32 and 8 by their GCF, 8.
Multiply. Then rename as a whole number.
Answer: Roberta sold 20 quarts of jam.
Example 6

21. MONEY Carmen had 144 quarters in a jar
MONEY Carmen had 144 quarters in a jar. She sorted the quarters by year and found that of the quarters were from How many quarters were from the year 1976?
A quarters C quarters
B. 132 quarters D quarters
Example 6 CYP