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Subtract 18/27 from 3/6

3/6 - 18/27 is -1/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 27 is 54

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 6 × 9 = 54,
    3/6 = 3 × 9/6 × 9 = 27/54
  3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
    18/27 = 18 × 2/27 × 2 = 36/54
  4. Subtract the two like fractions:
    27/54 - 36/54 = 27 - 36/54 = -9/54
  5. After reducing the fraction, the answer is -1/6

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