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Subtract 63/3 from 18/12

1st number: 1 6/12, 2nd number: 21 0/3

18/12 - 63/3 is -39/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 3 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 12 × 1 = 12,
    18/12 = 18 × 1/12 × 1 = 18/12
  3. Likewise, for the 2nd fraction, since 3 × 4 = 12,
    63/3 = 63 × 4/3 × 4 = 252/12
  4. Subtract the two like fractions:
    18/12 - 252/12 = 18 - 252/12 = -234/12
  5. After reducing the fraction, the answer is -39/2

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