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Subtract 10/54 from 81/84

81/84 - 10/54 is 589/756.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 54 is 756

    Next, find the equivalent fraction of both fractional numbers with denominator 756
  2. For the 1st fraction, since 84 × 9 = 756,
    81/84 = 81 × 9/84 × 9 = 729/756
  3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
    10/54 = 10 × 14/54 × 14 = 140/756
  4. Subtract the two like fractions:
    729/756 - 140/756 = 729 - 140/756 = 589/756

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