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Subtract 9/7 from 63/8

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

63/8 - 9/7 is 369/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 7 is 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,
    9/7 = 9 × 8/7 × 8 = 72/56
  4. Subtract the two fractions:
    441/56 - 72/56 = 441 - 72/56 = 369/56
  5. In mixed form: 633/56

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