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Subtract 18/12 from 12/5

1st number: 2 2/5, 2nd number: 1 6/12

12/5 - 18/12 is 9/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 5 × 12 = 60,
    12/5 = 12 × 12/5 × 12 = 144/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    18/12 = 18 × 5/12 × 5 = 90/60
  4. Subtract the two like fractions:
    144/60 - 90/60 = 144 - 90/60 = 54/60
  5. After reducing the fraction, the answer is 9/10

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