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Subtract 9/40 from 5/56

5/56 - 9/40 is -19/140.

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,
    5/56 = 5 × 5/56 × 5 = 25/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    9/40 = 9 × 7/40 × 7 = 63/280
  4. Subtract the two like fractions:
    25/280 - 63/280 = 25 - 63/280 = -38/280
  5. After reducing the fraction, the answer is -19/140

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