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Subtract 5/27 from 20/84

20/84 - 5/27 is 10/189.

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,
    20/84 = 20 × 9/84 × 9 = 180/756
  3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
    5/27 = 5 × 28/27 × 28 = 140/756
  4. Subtract the two like fractions:
    180/756 - 140/756 = 180 - 140/756 = 40/756
  5. After reducing the fraction, the answer is 10/189

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