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Subtract 81/56 from 20/60

1st number: 20/60, 2nd number: 1 25/56

20/60 - 81/56 is -187/168.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 56 is 840
  2. For the 1st fraction, since 60 × 14 = 840,
    20/60 = 20 × 14/60 × 14 = 280/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    81/56 = 81 × 15/56 × 15 = 1215/840
  4. Subtract the two fractions:
    280/840 - 1215/840 = 280 - 1215/840 = -935/840
  5. After reducing the fraction, the answer is -187/168

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