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Subtract 8/81 from 8/7

1st number: 1 1/7, 2nd number: 8/81

8/7 - 8/81 is 592/567.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 81 is 567

    Next, find the equivalent fraction of both fractional numbers with denominator 567
  2. For the 1st fraction, since 7 × 81 = 567,
    8/7 = 8 × 81/7 × 81 = 648/567
  3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
    8/81 = 8 × 7/81 × 7 = 56/567
  4. Subtract the two like fractions:
    648/567 - 56/567 = 648 - 56/567 = 592/567
  5. In mixed form: 125/567

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