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Subtract 63/84 from 81/56

1st number: 1 25/56, 2nd number: 63/84

81/56 - 63/84 is 39/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 84 is 168
  2. For the 1st fraction, since 56 × 3 = 168,
    81/56 = 81 × 3/56 × 3 = 243/168
  3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
    63/84 = 63 × 2/84 × 2 = 126/168
  4. Subtract the two fractions:
    243/168 - 126/168 = 243 - 126/168 = 117/168
  5. After reducing the fraction, the answer is 39/56

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