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Subtract 5/7 from 2/27

2/27 - 5/7 is -121/189.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 27 × 7 = 189,
    2/27 = 2 × 7/27 × 7 = 14/189
  3. Likewise, for the 2nd fraction, since 7 × 27 = 189,
    5/7 = 5 × 27/7 × 27 = 135/189
  4. Subtract the two like fractions:
    14/189 - 135/189 = 14 - 135/189 = -121/189

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