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Subtract 18/27 from 50/84

50/84 - 18/27 is -1/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 27 is 756

    Next, find the equivalent fraction of both fractional numbers with denominator 756
  2. For the 1st fraction, since 84 × 9 = 756,
    50/84 = 50 × 9/84 × 9 = 450/756
  3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
    18/27 = 18 × 28/27 × 28 = 504/756
  4. Subtract the two like fractions:
    450/756 - 504/756 = 450 - 504/756 = -54/756
  5. After reducing the fraction, the answer is -1/14

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