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Subtract 4/6 from 3/20

3/20 - 4/6 is -31/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 6 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    3/20 = 3 × 3/20 × 3 = 9/60
  3. Likewise, for the 2nd fraction, since 6 × 10 = 60,
    4/6 = 4 × 10/6 × 10 = 40/60
  4. Subtract the two like fractions:
    9/60 - 40/60 = 9 - 40/60 = -31/60

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