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Subtract 45/7 from 63/8

1st number: 7 7/8, 2nd number: 6 3/7

63/8 - 45/7 is 81/56.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 8 × 7 = 56,
    63/8 = 63 × 7/8 × 7 = 441/56
  3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
    45/7 = 45 × 8/7 × 8 = 360/56
  4. Subtract the two like fractions:
    441/56 - 360/56 = 441 - 360/56 = 81/56
  5. In mixed form: 125/56

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