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25 June, 20:37

What is the answer for 2 5/7 - 7/8

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Answers (2)
  1. 25 June, 21:38
    0
    Change the mixed leading number into an improper fraction ... a b/c = (ac+b) / c

    19/7-7/8 the least common multiple of the denominators is 56 so:

    (19/7) (8/8) - (7/8) (7/7)

    (152-49) / 56

    103/56 now we can change back into a mixed number ...

    (56+47) / 56

    1 47/56
  2. 25 June, 23:31
    0
    19/7 - 7/8

    19x8/7x8 - 7x7/8x7

    152/56 - 49/56

    103/56

    1 47/56
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