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Subtract 21/81 from 6/14

6/14 - 21/81 is 32/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 81 is 1134

    Next, find the equivalent fraction of both fractional numbers with denominator 1134
  2. For the 1st fraction, since 14 × 81 = 1134,
    6/14 = 6 × 81/14 × 81 = 486/1134
  3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
    21/81 = 21 × 14/81 × 14 = 294/1134
  4. Subtract the two like fractions:
    486/1134 - 294/1134 = 486 - 294/1134 = 192/1134
  5. After reducing the fraction, the answer is 32/189

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