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Subtract 20/70 from 5/56

5/56 - 20/70 is -11/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 70 is 280
  2. For the 1st fraction, since 56 × 5 = 280,
    5/56 = 5 × 5/56 × 5 = 25/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    20/70 = 20 × 4/70 × 4 = 80/280
  4. Subtract the two fractions:
    25/280 - 80/280 = 25 - 80/280 = -55/280
  5. After reducing the fraction, the answer is -11/56

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