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Subtract 90/5 from 63/56

1st number: 1 7/56, 2nd number: 18 0/5

63/56 - 90/5 is -135/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 5 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    63/56 = 63 × 5/56 × 5 = 315/280
  3. Likewise, for the 2nd fraction, since 5 × 56 = 280,
    90/5 = 90 × 56/5 × 56 = 5040/280
  4. Subtract the two like fractions:
    315/280 - 5040/280 = 315 - 5040/280 = -4725/280
  5. After reducing the fraction, the answer is -135/8

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