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Subtract 10/8 from 9/12

1st number: 9/12, 2nd number: 1 2/8

9/12 - 10/8 is -1/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 8 is 24

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 12 × 2 = 24,
    9/12 = 9 × 2/12 × 2 = 18/24
  3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
    10/8 = 10 × 3/8 × 3 = 30/24
  4. Subtract the two like fractions:
    18/24 - 30/24 = 18 - 30/24 = -12/24
  5. After reducing the fraction, the answer is -1/2

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