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Subtract 30/27 from 14/81

1st number: 14/81, 2nd number: 1 3/27

14/81 - 30/27 is -76/81.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 27 is 81
  2. For the 1st fraction, since 81 × 1 = 81,
    14/81 = 14 × 1/81 × 1 = 14/81
  3. Likewise, for the 2nd fraction, since 27 × 3 = 81,
    30/27 = 30 × 3/27 × 3 = 90/81
  4. Subtract the two fractions:
    14/81 - 90/81 = 14 - 90/81 = -76/81

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