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Subtract 25/9 from 15/84

1st number: 15/84, 2nd number: 2 7/9

15/84 - 25/9 is -655/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 9 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 84 × 3 = 252,
    15/84 = 15 × 3/84 × 3 = 45/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    25/9 = 25 × 28/9 × 28 = 700/252
  4. Subtract the two like fractions:
    45/252 - 700/252 = 45 - 700/252 = -655/252

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