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Subtract 8/27 from 1/7

1/7 - 8/27 is -29/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 27 is 189

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 7 × 27 = 189,
    1/7 = 1 × 27/7 × 27 = 27/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    8/27 = 8 × 7/27 × 7 = 56/189
  4. Subtract the two like fractions:
    27/189 - 56/189 = 27 - 56/189 = -29/189

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