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Subtract 10/9 from 2/81

1st number: 2/81, 2nd number: 1 1/9

2/81 - 10/9 is -88/81.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 9 is 81
  2. For the 1st fraction, since 81 × 1 = 81,
    2/81 = 2 × 1/81 × 1 = 2/81
  3. Likewise, for the 2nd fraction, since 9 × 9 = 81,
    10/9 = 10 × 9/9 × 9 = 90/81
  4. Subtract the two fractions:
    2/81 - 90/81 = 2 - 90/81 = -88/81

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