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Subtract 3/6 from 7/40

7/40 - 3/6 is -13/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 6 is 120
  2. For the 1st fraction, since 40 × 3 = 120,
    7/40 = 7 × 3/40 × 3 = 21/120
  3. Likewise, for the 2nd fraction, since 6 × 20 = 120,
    3/6 = 3 × 20/6 × 20 = 60/120
  4. Subtract the two fractions:
    21/120 - 60/120 = 21 - 60/120 = -39/120
  5. After reducing the fraction, the answer is -13/40

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