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Subtract 20/70 from 10/56

10/56 - 20/70 is -3/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    10/56 = 10 × 5/56 × 5 = 50/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    20/70 = 20 × 4/70 × 4 = 80/280
  4. Subtract the two like fractions:
    50/280 - 80/280 = 50 - 80/280 = -30/280
  5. After reducing the fraction, the answer is -3/28

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