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Subtract 20/12 from 15/6

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

15/6 - 20/12 is 5/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 12 is 12
  2. For the 1st fraction, since 6 × 2 = 12,
    15/6 = 15 × 2/6 × 2 = 30/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    20/12 = 20 × 1/12 × 1 = 20/12
  4. Subtract the two fractions:
    30/12 - 20/12 = 30 - 20/12 = 10/12
  5. After reducing the fraction, the answer is 5/6

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