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Subtract 90/75 from 63/56

1st number: 1 7/56, 2nd number: 1 15/75

63/56 - 90/75 is -3/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 75 is 4200

    Next, find the equivalent fraction of both fractional numbers with denominator 4200
  2. For the 1st fraction, since 56 × 75 = 4200,
    63/56 = 63 × 75/56 × 75 = 4725/4200
  3. Likewise, for the 2nd fraction, since 75 × 56 = 4200,
    90/75 = 90 × 56/75 × 56 = 5040/4200
  4. Subtract the two like fractions:
    4725/4200 - 5040/4200 = 4725 - 5040/4200 = -315/4200
  5. After reducing the fraction, the answer is -3/40

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