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Subtract 5/40 from 12/6

1st number: 2 0/6, 2nd number: 5/40

12/6 - 5/40 is 15/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 40 is 120
  2. For the 1st fraction, since 6 × 20 = 120,
    12/6 = 12 × 20/6 × 20 = 240/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    5/40 = 5 × 3/40 × 3 = 15/120
  4. Subtract the two fractions:
    240/120 - 15/120 = 240 - 15/120 = 225/120
  5. After reducing the fraction, the answer is 15/8
  6. In mixed form: 17/8

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