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Subtract 3/27 from 1/63

1/63 - 3/27 is -2/21.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 63 × 3 = 189,
    1/63 = 1 × 3/63 × 3 = 3/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    3/27 = 3 × 7/27 × 7 = 21/189
  4. Subtract the two like fractions:
    3/189 - 21/189 = 3 - 21/189 = -18/189
  5. After reducing the fraction, the answer is -2/21

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