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Subtract 63/81 from 84/12

1st number: 7 0/12, 2nd number: 63/81

84/12 - 63/81 is 56/9.

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,
    84/12 = 84 × 27/12 × 27 = 2268/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    63/81 = 63 × 4/81 × 4 = 252/324
  4. Subtract the two like fractions:
    2268/324 - 252/324 = 2268 - 252/324 = 2016/324
  5. After reducing the fraction, the answer is 56/9
  6. In mixed form: 62/9

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