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Subtract 15/12 from 1/8

1st number: 1/8, 2nd number: 1 3/12

1/8 - 15/12 is -9/8.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 8 × 3 = 24,
    1/8 = 1 × 3/8 × 3 = 3/24
  3. Likewise, for the 2nd fraction, since 12 × 2 = 24,
    15/12 = 15 × 2/12 × 2 = 30/24
  4. Subtract the two like fractions:
    3/24 - 30/24 = 3 - 30/24 = -27/24
  5. After reducing the fraction, the answer is -9/8

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