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13 March, 15:45

Use common factors to write two fractions equivalent to 80/140

20/35, 16/28

20/32, 16/28

22/37, 20/28

20/35, 22/37

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Answers (2)
  1. 13 March, 16:55
    0
    80/140 = (80:20) / (140:20) = 4/7

    4/7 = (4*4) / (7*4) = 16/28

    4/7 = (4*5) / (7*5) = 20/35 not 20/28 not 20/32

    4/7 = (4*5.5) / (7*5.5) = 22/38.5 not 22/37
  2. 13 March, 19:12
    0
    20/35, 16/28.

    Step-by-step explanation:

    80 / 5 / 140 / 5

    = 16 / 28 (answer).

    80 / 4 / 140 / 4

    = 20 / 35 (answer).
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