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Subtract 56/63 from 84/81

1st number: 1 3/81, 2nd number: 56/63

84/81 - 56/63 is 4/27.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 63 is 567

    Next, find the equivalent fraction of both fractional numbers with denominator 567
  2. For the 1st fraction, since 81 × 7 = 567,
    84/81 = 84 × 7/81 × 7 = 588/567
  3. Likewise, for the 2nd fraction, since 63 × 9 = 567,
    56/63 = 56 × 9/63 × 9 = 504/567
  4. Subtract the two like fractions:
    588/567 - 504/567 = 588 - 504/567 = 84/567
  5. After reducing the fraction, the answer is 4/27

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