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Subtract 1/81 from 2/16

2/16 - 1/81 is 73/648.

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,
    2/16 = 2 × 81/16 × 81 = 162/1296
  3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
    1/81 = 1 × 16/81 × 16 = 16/1296
  4. Subtract the two like fractions:
    162/1296 - 16/1296 = 162 - 16/1296 = 146/1296
  5. After reducing the fraction, the answer is 73/648

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