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Subtract 2/81 from 81/3

1st number: 27 0/3, 2nd number: 2/81

81/3 - 2/81 is 2185/81.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 81 is 81

    Next, find the equivalent fraction of both fractional numbers with denominator 81
  2. For the 1st fraction, since 3 × 27 = 81,
    81/3 = 81 × 27/3 × 27 = 2187/81
  3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
    2/81 = 2 × 1/81 × 1 = 2/81
  4. Subtract the two like fractions:
    2187/81 - 2/81 = 2187 - 2/81 = 2185/81
  5. In mixed form: 2679/81

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