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Subtract 18/27 from 24/63

24/63 - 18/27 is -2/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 27 is 189
  2. For the 1st fraction, since 63 × 3 = 189,
    24/63 = 24 × 3/63 × 3 = 72/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    18/27 = 18 × 7/27 × 7 = 126/189
  4. Subtract the two fractions:
    72/189 - 126/189 = 72 - 126/189 = -54/189
  5. After reducing the fraction, the answer is -2/7

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