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Subtract 60/84 from 70/81

70/81 - 60/84 is 85/567.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 84 is 2268

    Next, find the equivalent fraction of both fractional numbers with denominator 2268
  2. For the 1st fraction, since 81 × 28 = 2268,
    70/81 = 70 × 28/81 × 28 = 1960/2268
  3. Likewise, for the 2nd fraction, since 84 × 27 = 2268,
    60/84 = 60 × 27/84 × 27 = 1620/2268
  4. Subtract the two like fractions:
    1960/2268 - 1620/2268 = 1960 - 1620/2268 = 340/2268
  5. After reducing the fraction, the answer is 85/567

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