Multiplying and Dividing Fractions
To multiply fractions, multiply the numerators and the denominators.
To divide fractions, multiply by the reciprocal of the divisor.
EXAMPLE
Multiply. Write each answer in simplest form.
3 5 48 3 31 5 4
a. 98 3 10
105
15
39
7
b. 318 ⴛ 134 5 25
8 34
15
5 175
32 5 532
Rewrite as a
mixed number.
Divide. Write each answer in simplest form.
c. 23 4 45 5 23 3 54
1
5 32 3 45 5 56
2
7
d. 3 18 4 134 5 25
8 44
1
11
5 258 3 47 5 25
14 5 114
2
EXERCISES
Multiply. Write each answer in simplest form.
333 9
4
5 20
4. 34 3 56 58
3 3 2 1
7. 10
15 25
9
3
10. 10 3 13 10
13. 2 14 3 3 13 7 12
16. 1 34 3 2 15 3 17
20
1.
2. 23 3 34 12
5
5. 58 3 23 12
3
1
8. 4 3 6 18
1
2
11. 1 3 3 2 3 3 59
14. 14 3 3 13 56
17. 2 34 3 12 1 38
3. 6 3 23 4
9 32 3
6. 16
3 8
5 1
9. 14 3 20
16
3
3
12. 5 3 2 4 1 13
20
1
15. 6 4 3 7 43 34
18. 3 45 3 2 13 8 13
15
Divide. Write each answer in simplest form.
19. 58 4 57 78
22. 19 4 19 1
25. 23 4 19 6
28. 78 4 13 2 58
31. 2 13 4 5 56 25
34. 10 13 4 2 15 4 23
33
774
Skills Handbook
20. 57 4 58 1 17
1
23. 19 4 9 81
26. 45 4 56 24
25
1
29. 4 5 4 2 25 1 34
32. 1 12 4 4 12 13
35. 6 14 4 1 34 3 47
6 13
21. 34 4 11
8
9 4 3 11
24. 10
5 2
9
27. 15 4 89 40
30. 6 14 4 4 38 1 37
33. 15 23 4 1 13 11 34
2
36. 6 23 4 3 18 2 15
Rewrite as a
mixed number.