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Subtract 9/15 from 12/4

1st number: 3 0/4, 2nd number: 9/15

12/4 - 9/15 is 12/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 15 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 4 × 15 = 60,
    12/4 = 12 × 15/4 × 15 = 180/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    9/15 = 9 × 4/15 × 4 = 36/60
  4. Subtract the two like fractions:
    180/60 - 36/60 = 180 - 36/60 = 144/60
  5. After reducing the fraction, the answer is 12/5
  6. In mixed form: 22/5

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