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Subtract 6/81 from 28/16

1st number: 1 12/16, 2nd number: 6/81

28/16 - 6/81 is 181/108.

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,
    28/16 = 28 × 81/16 × 81 = 2268/1296
  3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
    6/81 = 6 × 16/81 × 16 = 96/1296
  4. Subtract the two like fractions:
    2268/1296 - 96/1296 = 2268 - 96/1296 = 2172/1296
  5. After reducing the fraction, the answer is 181/108
  6. In mixed form: 173/108

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