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Subtract 15/9 from 70/84

1st number: 70/84, 2nd number: 1 6/9

70/84 - 15/9 is -5/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 9 is 252
  2. For the 1st fraction, since 84 × 3 = 252,
    70/84 = 70 × 3/84 × 3 = 210/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    15/9 = 15 × 28/9 × 28 = 420/252
  4. Subtract the two fractions:
    210/252 - 420/252 = 210 - 420/252 = -210/252
  5. After reducing the fraction, the answer is -5/6

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