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Subtract 20/56 from 18/20

18/20 - 20/56 is 19/35.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 20 × 14 = 280,
    18/20 = 18 × 14/20 × 14 = 252/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    20/56 = 20 × 5/56 × 5 = 100/280
  4. Subtract the two like fractions:
    252/280 - 100/280 = 252 - 100/280 = 152/280
  5. After reducing the fraction, the answer is 19/35

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