Equivalent Fractions: Simplifying And Building With Answers Page 15

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Use prime numbers to simplify each fraction.
48
70
51.
52.
72
170
36
45
53. !
54. !
40
81
216
220
55.
56.
234
242
270
275
57. !
58. !
320
286
81
245
59.
60.
192
246
155
153
61. !
62. !
248
272
384
364
63.
64.
432
468
261
265
65. !
66. !
290
424
2
5
3
7
45x
y
30x
y
67.
68.
3
3
6
4
15x
y
15x
y
7
6
6
5
8a
b
12a
b
69.
70.
5
2
4
3
6a
b
18a
b
8
12
6
11
16x
y
36x
y
71. !
72. !
9
7
9
8
20x
y
24x
y
159

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