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Subtract 4/20 from 3/5

3/5 - 4/20 is 2/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 20 is 20
  2. For the 1st fraction, since 5 × 4 = 20,
    3/5 = 3 × 4/5 × 4 = 12/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    4/20 = 4 × 1/20 × 1 = 4/20
  4. Subtract the two fractions:
    12/20 - 4/20 = 12 - 4/20 = 8/20
  5. After reducing the fraction, the answer is 2/5

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