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Subtract 8/6 from 15/20

1st number: 15/20, 2nd number: 1 2/6

15/20 - 8/6 is -7/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 6 is 60
  2. For the 1st fraction, since 20 × 3 = 60,
    15/20 = 15 × 3/20 × 3 = 45/60
  3. Likewise, for the 2nd fraction, since 6 × 10 = 60,
    8/6 = 8 × 10/6 × 10 = 80/60
  4. Subtract the two fractions:
    45/60 - 80/60 = 45 - 80/60 = -35/60
  5. After reducing the fraction, the answer is -7/12

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