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Subtract 10/9 from 81/5

1st number: 16 1/5, 2nd number: 1 1/9

81/5 - 10/9 is 679/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 9 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 5 × 9 = 45,
    81/5 = 81 × 9/5 × 9 = 729/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    10/9 = 10 × 5/9 × 5 = 50/45
  4. Subtract the two like fractions:
    729/45 - 50/45 = 729 - 50/45 = 679/45
  5. In mixed form: 154/45

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