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Subtract 81/56 from 30/60

1st number: 30/60, 2nd number: 1 25/56

30/60 - 81/56 is -53/56.

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,
    30/60 = 30 × 14/60 × 14 = 420/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    81/56 = 81 × 15/56 × 15 = 1215/840
  4. Subtract the two fractions:
    420/840 - 1215/840 = 420 - 1215/840 = -795/840
  5. After reducing the fraction, the answer is -53/56

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