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Subtract 2/4 from 20/30

20/30 - 2/4 is 1/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 4 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 30 × 2 = 60,
    20/30 = 20 × 2/30 × 2 = 40/60
  3. Likewise, for the 2nd fraction, since 4 × 15 = 60,
    2/4 = 2 × 15/4 × 15 = 30/60
  4. Subtract the two like fractions:
    40/60 - 30/60 = 40 - 30/60 = 10/60
  5. After reducing the fraction, the answer is 1/6

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