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Subtract 10/40 from 8/12

8/12 - 10/40 is 5/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 40 is 120
  2. For the 1st fraction, since 12 × 10 = 120,
    8/12 = 8 × 10/12 × 10 = 80/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    10/40 = 10 × 3/40 × 3 = 30/120
  4. Subtract the two fractions:
    80/120 - 30/120 = 80 - 30/120 = 50/120
  5. After reducing the fraction, the answer is 5/12

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