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Subtract 4/15 from 12/56

12/56 - 4/15 is -11/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 15 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 56 × 15 = 840,
    12/56 = 12 × 15/56 × 15 = 180/840
  3. Likewise, for the 2nd fraction, since 15 × 56 = 840,
    4/15 = 4 × 56/15 × 56 = 224/840
  4. Subtract the two like fractions:
    180/840 - 224/840 = 180 - 224/840 = -44/840
  5. After reducing the fraction, the answer is -11/210

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