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Subtract 15/81 from 2/56

2/56 - 15/81 is -113/756.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 81 is 4536

    Next, find the equivalent fraction of both fractional numbers with denominator 4536
  2. For the 1st fraction, since 56 × 81 = 4536,
    2/56 = 2 × 81/56 × 81 = 162/4536
  3. Likewise, for the 2nd fraction, since 81 × 56 = 4536,
    15/81 = 15 × 56/81 × 56 = 840/4536
  4. Subtract the two like fractions:
    162/4536 - 840/4536 = 162 - 840/4536 = -678/4536
  5. After reducing the fraction, the answer is -113/756

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