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Subtract 10/63 from 12/27

12/27 - 10/63 is 2/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 63 is 189

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 27 × 7 = 189,
    12/27 = 12 × 7/27 × 7 = 84/189
  3. Likewise, for the 2nd fraction, since 63 × 3 = 189,
    10/63 = 10 × 3/63 × 3 = 30/189
  4. Subtract the two like fractions:
    84/189 - 30/189 = 84 - 30/189 = 54/189
  5. After reducing the fraction, the answer is 2/7

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