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Subtract 84/80 from 12/18

1st number: 12/18, 2nd number: 1 4/80

12/18 - 84/80 is -23/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 80 is 720
  2. For the 1st fraction, since 18 × 40 = 720,
    12/18 = 12 × 40/18 × 40 = 480/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    84/80 = 84 × 9/80 × 9 = 756/720
  4. Subtract the two fractions:
    480/720 - 756/720 = 480 - 756/720 = -276/720
  5. After reducing the fraction, the answer is -23/60

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