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Subtract 81/15 from 4/2

1st number: 2 0/2, 2nd number: 5 6/15

4/2 - 81/15 is -17/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 15 is 30
  2. For the 1st fraction, since 2 × 15 = 30,
    4/2 = 4 × 15/2 × 15 = 60/30
  3. Likewise, for the 2nd fraction, since 15 × 2 = 30,
    81/15 = 81 × 2/15 × 2 = 162/30
  4. Subtract the two fractions:
    60/30 - 162/30 = 60 - 162/30 = -102/30
  5. After reducing the fraction, the answer is -17/5

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