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Subtract 30/8 from 8/12

1st number: 8/12, 2nd number: 3 6/8

8/12 - 30/8 is -37/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 8 is 24
  2. For the 1st fraction, since 12 × 2 = 24,
    8/12 = 8 × 2/12 × 2 = 16/24
  3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
    30/8 = 30 × 3/8 × 3 = 90/24
  4. Subtract the two fractions:
    16/24 - 90/24 = 16 - 90/24 = -74/24
  5. After reducing the fraction, the answer is -37/12

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