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Subtract 12/5 from 3/4

1st number: 3/4, 2nd number: 2 2/5

3/4 - 12/5 is -33/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 is 20
  2. For the 1st fraction, since 4 × 5 = 20,
    3/4 = 3 × 5/4 × 5 = 15/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    12/5 = 12 × 4/5 × 4 = 48/20
  4. Subtract the two fractions:
    15/20 - 48/20 = 15 - 48/20 = -33/20

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