Page 226 - Basic College Mathematics with Early Integers

S E C T I O N 3.3 I MULTIPLYING AND DIVIDING FRACTIONS 203

Objective Evaluate. See Example 8.
1 3 1 4 2 2 8 2
19. a b 20. a - b 21. a - b 22. a b
5 2 3 9

2 3 1 3 3 1
23. a - b # 24. a - b #
3 2 4 3

Objective Divide.Write all quotients in simplest form. See Examples 9 through 12.
2 5 5 2 6 12 4 8 8 1
25. , 26. , 27. - , 28. - ,- 29. ,-
3 6 8 3 15 5 15 3 9 2

10 4 2 5 1 10 3 13
30. ,- 31. - , 4 32. - , 10 33. , 34. ,
11 5 3 6 10 1 13 3

7 4 14 1 3 27 6 7 8
35. , 36. , 37. , 38. , 39. , 0
45 25 52 13 25 40 15 10 13

4 7 2
40. 0 , 41. 0 , 42. , 0
11 8 3

Objectives Mixed Practice Perform each indicated operation. See Examples 1 through 12.

2 5 8 5 5 35 24 5 3 4
43. # 44. # 45. - # 46. # - 47. - ,-
3 9 15 32 28 25 45 8 5 5

11 13 3 2 1 5 2 1
48. - ,- 49. a - b 50. a - b 51. 7 , 52. -100 ,
16 16 4 2 11 2

4 3 9 16 1 3 14 1 7 22
53. , 54. , 55. - # # 56. - # #
8 16 2 15 8 7 27 10 11 35