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Subtract 2/7 from 25/27

25/27 - 2/7 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,
    25/27 = 25 × 7/27 × 7 = 175/189
  3. Likewise, for the 2nd fraction, since 7 × 27 = 189,
    2/7 = 2 × 27/7 × 27 = 54/189
  4. Subtract the two like fractions:
    175/189 - 54/189 = 175 - 54/189 = 121/189

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