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Subtract 63/24 from 18/84

1st number: 18/84, 2nd number: 2 15/24

18/84 - 63/24 is -135/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 24 is 168
  2. For the 1st fraction, since 84 × 2 = 168,
    18/84 = 18 × 2/84 × 2 = 36/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    63/24 = 63 × 7/24 × 7 = 441/168
  4. Subtract the two fractions:
    36/168 - 441/168 = 36 - 441/168 = -405/168
  5. After reducing the fraction, the answer is -135/56

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