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Subtract 49/56 from 4/7

4/7 - 49/56 is -17/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 56 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 7 × 8 = 56,
    4/7 = 4 × 8/7 × 8 = 32/56
  3. Likewise, for the 2nd fraction, since 56 × 1 = 56,
    49/56 = 49 × 1/56 × 1 = 49/56
  4. Subtract the two like fractions:
    32/56 - 49/56 = 32 - 49/56 = -17/56

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