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Subtract 3/27 from 3/20

3/20 - 3/27 is 7/180.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 20 × 27 = 540,
    3/20 = 3 × 27/20 × 27 = 81/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    3/27 = 3 × 20/27 × 20 = 60/540
  4. Subtract the two like fractions:
    81/540 - 60/540 = 81 - 60/540 = 21/540
  5. After reducing the fraction, the answer is 7/180

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