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Subtract 20/54 from 30/60

30/60 - 20/54 is 7/54.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 54 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 60 × 9 = 540,
    30/60 = 30 × 9/60 × 9 = 270/540
  3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
    20/54 = 20 × 10/54 × 10 = 200/540
  4. Subtract the two like fractions:
    270/540 - 200/540 = 270 - 200/540 = 70/540
  5. After reducing the fraction, the answer is 7/54

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