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Subtract 3/20 from 4/54

4/54 - 3/20 is -41/540.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 20 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 54 × 10 = 540,
    4/54 = 4 × 10/54 × 10 = 40/540
  3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
    3/20 = 3 × 27/20 × 27 = 81/540
  4. Subtract the two like fractions:
    40/540 - 81/540 = 40 - 81/540 = -41/540

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