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Subtract 3/40 from 7/12

7/12 - 3/40 is 61/120.

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,
    7/12 = 7 × 10/12 × 10 = 70/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    3/40 = 3 × 3/40 × 3 = 9/120
  4. Subtract the two fractions:
    70/120 - 9/120 = 70 - 9/120 = 61/120

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