Lesson 3 Homework Practice
NAME _____________________________________________ DATE __________________ PERIOD _________
Lesson 3 Homework Practice Multiply Fractions Multiply. Write in simplest form. 3 1 1. − ×− 5
3 −−
7 1 2. − ×−
2 2 4. − ×−
4 −−
4
3
9
1 5 7. − × 21 17 −
2 1 5. − × 11 3 −
1 6. − × 12
6
1 3 8. − × 10 7 −
1 4 9. − ×−
7 −−
4
2
3
4
2
2
24
4
2
5
8
1 − 5
3 4 10. − ×−
1 −
7 4 11. −− × −− 21
2 −−
3 5 1 12. − × −− −
6 1 13. − ×−
3 −−
9 4 14. −− × −−
12 −−
4 8 9 15. − × −− −
9
7
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
3 −
3
3
27
6
3 1 3. − ×−
8
20
8
8
6
4
11
28
1 1 1 16. − ×− ×− 3
10
5
1 −−
15
4
8
9
55
3 3 2 17. − ×− ×−
60
5
15
3
3 −−
12
10
4
5
2 2 12 1 18. − × −− ×− −− 3
16
17
4
17
4 play at least one sport. 19. SPORTS Of the sixth graders in a school, − 5
2 Of those, − play on a team. What fraction of the sixth graders play 3
8 15
a sport on a team? −−
2 20. AQUARIUM A model of the ocean floor takes up − of the space in an 5
3 aquarium. If − of the model is coral, what fraction of the space in the 8
aquarium is taken up by coral?
3 −− 20
Course 1 • Chapter 4 Multiply and Divide Fractions
57
Lesson 3 Homework Practice Multiply Fractions Multiply. Write in simplest form. 3 1 1. − ×− 5
3 −−
7 1 2. − ×−
2 2 4. − ×−
4 −−
4
3
9
1 5 7. − × 21 17 −
2 1 5. − × 11 3 −
1 6. − × 12
6
1 3 8. − × 10 7 −
1 4 9. − ×−
7 −−
4
2
3
4
2
2
24
4
2
5
8
1 − 5
3 4 10. − ×−
1 −
7 4 11. −− × −− 21
2 −−
3 5 1 12. − × −− −
6 1 13. − ×−
3 −−
9 4 14. −− × −−
12 −−
4 8 9 15. − × −− −
9
7
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
3 −
3
3
27
6
3 1 3. − ×−
8
20
8
8
6
4
11
28
1 1 1 16. − ×− ×− 3
10
5
1 −−
15
4
8
9
55
3 3 2 17. − ×− ×−
60
5
15
3
3 −−
12
10
4
5
2 2 12 1 18. − × −− ×− −− 3
16
17
4
17
4 play at least one sport. 19. SPORTS Of the sixth graders in a school, − 5
2 Of those, − play on a team. What fraction of the sixth graders play 3
8 15
a sport on a team? −−
2 20. AQUARIUM A model of the ocean floor takes up − of the space in an 5
3 aquarium. If − of the model is coral, what fraction of the space in the 8
aquarium is taken up by coral?
3 −− 20
Course 1 • Chapter 4 Multiply and Divide Fractions
57
