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Subtract 9/12 from 18/6

1st number: 3 0/6, 2nd number: 9/12

18/6 - 9/12 is 9/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 12 is 12
  2. For the 1st fraction, since 6 × 2 = 12,
    18/6 = 18 × 2/6 × 2 = 36/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    9/12 = 9 × 1/12 × 1 = 9/12
  4. Subtract the two fractions:
    36/12 - 9/12 = 36 - 9/12 = 27/12
  5. After reducing the fraction, the answer is 9/4
  6. In mixed form: 21/4

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