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Subtract 1/9 from 81/8

1st number: 10 1/8, 2nd number: 1/9

81/8 - 1/9 is 721/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    81/8 = 81 × 9/8 × 9 = 729/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    1/9 = 1 × 8/9 × 8 = 8/72
  4. Subtract the two like fractions:
    729/72 - 8/72 = 729 - 8/72 = 721/72
  5. In mixed form: 101/72

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