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Subtract 84/81 from 2/12

1st number: 2/12, 2nd number: 1 3/81

2/12 - 84/81 is -47/54.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 81 is 324

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 12 × 27 = 324,
    2/12 = 2 × 27/12 × 27 = 54/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    84/81 = 84 × 4/81 × 4 = 336/324
  4. Subtract the two like fractions:
    54/324 - 336/324 = 54 - 336/324 = -282/324
  5. After reducing the fraction, the answer is -47/54

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