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Subtract 6/5 from 12/20

1st number: 12/20, 2nd number: 1 1/5

12/20 - 6/5 is -3/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 5 is 20
  2. For the 1st fraction, since 20 × 1 = 20,
    12/20 = 12 × 1/20 × 1 = 12/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    6/5 = 6 × 4/5 × 4 = 24/20
  4. Subtract the two fractions:
    12/20 - 24/20 = 12 - 24/20 = -12/20
  5. After reducing the fraction, the answer is -3/5

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