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Subtract 15/4 from 4/84

1st number: 4/84, 2nd number: 3 3/4

4/84 - 15/4 is -311/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 4 is 84
  2. For the 1st fraction, since 84 × 1 = 84,
    4/84 = 4 × 1/84 × 1 = 4/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    15/4 = 15 × 21/4 × 21 = 315/84
  4. Subtract the two fractions:
    4/84 - 315/84 = 4 - 315/84 = -311/84

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