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Subtract 63/40 from 4/28

1st number: 4/28, 2nd number: 1 23/40

4/28 - 63/40 is -401/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 28 × 10 = 280,
    4/28 = 4 × 10/28 × 10 = 40/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    63/40 = 63 × 7/40 × 7 = 441/280
  4. Subtract the two like fractions:
    40/280 - 441/280 = 40 - 441/280 = -401/280

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