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Subtract 5/20 from 18/5

1st number: 3 3/5, 2nd number: 5/20

18/5 - 5/20 is 67/20.

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,
    18/5 = 18 × 4/5 × 4 = 72/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    5/20 = 5 × 1/20 × 1 = 5/20
  4. Subtract the two fractions:
    72/20 - 5/20 = 72 - 5/20 = 67/20
  5. In mixed form: 37/20

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