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Subtract 70/42 from 12/75

1st number: 12/75, 2nd number: 1 28/42

12/75 - 70/42 is -113/75.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 42 is 1050
  2. For the 1st fraction, since 75 × 14 = 1050,
    12/75 = 12 × 14/75 × 14 = 168/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    70/42 = 70 × 25/42 × 25 = 1750/1050
  4. Subtract the two fractions:
    168/1050 - 1750/1050 = 168 - 1750/1050 = -1582/1050
  5. After reducing the fraction, the answer is -113/75

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