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Subtract 15/8 from 54/7

1st number: 7 5/7, 2nd number: 1 7/8

54/7 - 15/8 is 327/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 8 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 7 × 8 = 56,
    54/7 = 54 × 8/7 × 8 = 432/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    15/8 = 15 × 7/8 × 7 = 105/56
  4. Subtract the two like fractions:
    432/56 - 105/56 = 432 - 105/56 = 327/56
  5. In mixed form: 547/56

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