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Subtract 7/20 from 2/27

2/27 - 7/20 is -149/540.

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,
    2/27 = 2 × 20/27 × 20 = 40/540
  3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
    7/20 = 7 × 27/20 × 27 = 189/540
  4. Subtract the two like fractions:
    40/540 - 189/540 = 40 - 189/540 = -149/540

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