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Subtract 7/27 from 2/7

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

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,
    2/7 = 2 × 27/7 × 27 = 54/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    7/27 = 7 × 7/27 × 7 = 49/189
  4. Subtract the two like fractions:
    54/189 - 49/189 = 54 - 49/189 = 5/189

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