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Subtract 1/81 from 3/16

3/16 - 1/81 is 227/1296.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 81 is 1296

    Next, find the equivalent fraction of both fractional numbers with denominator 1296
  2. For the 1st fraction, since 16 × 81 = 1296,
    3/16 = 3 × 81/16 × 81 = 243/1296
  3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
    1/81 = 1 × 16/81 × 16 = 16/1296
  4. Subtract the two like fractions:
    243/1296 - 16/1296 = 243 - 16/1296 = 227/1296

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