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Subtract 9/30 from 18/12

1st number: 1 6/12, 2nd number: 9/30

18/12 - 9/30 is 6/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 30 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    18/12 = 18 × 5/12 × 5 = 90/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    9/30 = 9 × 2/30 × 2 = 18/60
  4. Subtract the two like fractions:
    90/60 - 18/60 = 90 - 18/60 = 72/60
  5. After reducing the fraction, the answer is 6/5
  6. In mixed form: 11/5

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