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Subtract 42/3 from 15/42

1st number: 15/42, 2nd number: 14 0/3

15/42 - 42/3 is -191/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 3 is 42
  2. For the 1st fraction, since 42 × 1 = 42,
    15/42 = 15 × 1/42 × 1 = 15/42
  3. Likewise, for the 2nd fraction, since 3 × 14 = 42,
    42/3 = 42 × 14/3 × 14 = 588/42
  4. Subtract the two fractions:
    15/42 - 588/42 = 15 - 588/42 = -573/42
  5. After reducing the fraction, the answer is -191/14

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