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Subtract 12/81 from 84/56

1st number: 1 28/56, 2nd number: 12/81

84/56 - 12/81 is 73/54.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 81 is 4536

    Next, find the equivalent fraction of both fractional numbers with denominator 4536
  2. For the 1st fraction, since 56 × 81 = 4536,
    84/56 = 84 × 81/56 × 81 = 6804/4536
  3. Likewise, for the 2nd fraction, since 81 × 56 = 4536,
    12/81 = 12 × 56/81 × 56 = 672/4536
  4. Subtract the two like fractions:
    6804/4536 - 672/4536 = 6804 - 672/4536 = 6132/4536
  5. After reducing the fraction, the answer is 73/54
  6. In mixed form: 119/54

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