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Subtract 70/84 from 10/54

10/54 - 70/84 is -35/54.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 84 is 756
  2. For the 1st fraction, since 54 × 14 = 756,
    10/54 = 10 × 14/54 × 14 = 140/756
  3. Likewise, for the 2nd fraction, since 84 × 9 = 756,
    70/84 = 70 × 9/84 × 9 = 630/756
  4. Subtract the two fractions:
    140/756 - 630/756 = 140 - 630/756 = -490/756
  5. After reducing the fraction, the answer is -35/54

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