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Subtract 15/12 from 10/15

1st number: 10/15, 2nd number: 1 3/12

10/15 - 15/12 is -7/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    10/15 = 10 × 4/15 × 4 = 40/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    15/12 = 15 × 5/12 × 5 = 75/60
  4. Subtract the two like fractions:
    40/60 - 75/60 = 40 - 75/60 = -35/60
  5. After reducing the fraction, the answer is -7/12

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