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Subtract 2/54 from 18/63

18/63 - 2/54 is 47/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 54 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 63 × 6 = 378,
    18/63 = 18 × 6/63 × 6 = 108/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    2/54 = 2 × 7/54 × 7 = 14/378
  4. Subtract the two like fractions:
    108/378 - 14/378 = 108 - 14/378 = 94/378
  5. After reducing the fraction, the answer is 47/189

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