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Subtract 3/27 from 10/84

10/84 - 3/27 is 1/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 27 is 756
  2. For the 1st fraction, since 84 × 9 = 756,
    10/84 = 10 × 9/84 × 9 = 90/756
  3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
    3/27 = 3 × 28/27 × 28 = 84/756
  4. Subtract the two fractions:
    90/756 - 84/756 = 90 - 84/756 = 6/756
  5. After reducing the fraction, the answer is 1/126

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