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Subtract 5/20 from 3/56

3/56 - 5/20 is -11/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 20 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    3/56 = 3 × 5/56 × 5 = 15/280
  3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
    5/20 = 5 × 14/20 × 14 = 70/280
  4. Subtract the two like fractions:
    15/280 - 70/280 = 15 - 70/280 = -55/280
  5. After reducing the fraction, the answer is -11/56

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