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Subtract 21/10 from 1/56

1st number: 1/56, 2nd number: 2 1/10

1/56 - 21/10 is -583/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 10 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    1/56 = 1 × 5/56 × 5 = 5/280
  3. Likewise, for the 2nd fraction, since 10 × 28 = 280,
    21/10 = 21 × 28/10 × 28 = 588/280
  4. Subtract the two like fractions:
    5/280 - 588/280 = 5 - 588/280 = -583/280

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