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Subtract 45/14 from 18/12

1st number: 1 6/12, 2nd number: 3 3/14

18/12 - 45/14 is -12/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 14 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    18/12 = 18 × 7/12 × 7 = 126/84
  3. Likewise, for the 2nd fraction, since 14 × 6 = 84,
    45/14 = 45 × 6/14 × 6 = 270/84
  4. Subtract the two like fractions:
    126/84 - 270/84 = 126 - 270/84 = -144/84
  5. After reducing the fraction, the answer is -12/7

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