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Subtract 5/20 from 5/27

5/27 - 5/20 is -7/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 20 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 27 × 20 = 540,
    5/27 = 5 × 20/27 × 20 = 100/540
  3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
    5/20 = 5 × 27/20 × 27 = 135/540
  4. Subtract the two like fractions:
    100/540 - 135/540 = 100 - 135/540 = -35/540
  5. After reducing the fraction, the answer is -7/108

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