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Subtract 15/56 from 7/5

1st number: 1 2/5, 2nd number: 15/56

7/5 - 15/56 is 317/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 5 × 56 = 280,
    7/5 = 7 × 56/5 × 56 = 392/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    15/56 = 15 × 5/56 × 5 = 75/280
  4. Subtract the two like fractions:
    392/280 - 75/280 = 392 - 75/280 = 317/280
  5. In mixed form: 137/280

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