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Subtract 20/49 from 10/56

10/56 - 20/49 is -45/196.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 49 is 392

    Next, find the equivalent fraction of both fractional numbers with denominator 392
  2. For the 1st fraction, since 56 × 7 = 392,
    10/56 = 10 × 7/56 × 7 = 70/392
  3. Likewise, for the 2nd fraction, since 49 × 8 = 392,
    20/49 = 20 × 8/49 × 8 = 160/392
  4. Subtract the two like fractions:
    70/392 - 160/392 = 70 - 160/392 = -90/392
  5. After reducing the fraction, the answer is -45/196

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