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Subtract 70/42 from 14/12

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

14/12 - 70/42 is -1/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 42 is 84
  2. For the 1st fraction, since 12 × 7 = 84,
    14/12 = 14 × 7/12 × 7 = 98/84
  3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
    70/42 = 70 × 2/42 × 2 = 140/84
  4. Subtract the two fractions:
    98/84 - 140/84 = 98 - 140/84 = -42/84
  5. After reducing the fraction, the answer is -1/2

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