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Subtract 3/40 from 1/56

1/56 - 3/40 is -2/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 40 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 40 × 7 = 280,
    3/40 = 3 × 7/40 × 7 = 21/280
  4. Subtract the two like fractions:
    5/280 - 21/280 = 5 - 21/280 = -16/280
  5. After reducing the fraction, the answer is -2/35

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