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Subtract 1/20 from 10/27

10/27 - 1/20 is 173/540.

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,
    10/27 = 10 × 20/27 × 20 = 200/540
  3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
    1/20 = 1 × 27/20 × 27 = 27/540
  4. Subtract the two like fractions:
    200/540 - 27/540 = 200 - 27/540 = 173/540

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