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Subtract 12/4 from 3/15

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

3/15 - 12/4 is -14/5.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    3/15 = 3 × 4/15 × 4 = 12/60
  3. Likewise, for the 2nd fraction, since 4 × 15 = 60,
    12/4 = 12 × 15/4 × 15 = 180/60
  4. Subtract the two like fractions:
    12/60 - 180/60 = 12 - 180/60 = -168/60
  5. After reducing the fraction, the answer is -14/5

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