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Subtract 18/7 from 81/96

1st number: 81/96, 2nd number: 2 4/7

81/96 - 18/7 is -387/224.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 96 and 7 is 672

    Next, find the equivalent fraction of both fractional numbers with denominator 672
  2. For the 1st fraction, since 96 × 7 = 672,
    81/96 = 81 × 7/96 × 7 = 567/672
  3. Likewise, for the 2nd fraction, since 7 × 96 = 672,
    18/7 = 18 × 96/7 × 96 = 1728/672
  4. Subtract the two like fractions:
    567/672 - 1728/672 = 567 - 1728/672 = -1161/672
  5. After reducing the fraction, the answer is -387/224

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