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Subtract 3/7 from 2/12

2/12 - 3/7 is -11/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 7 is 84
  2. For the 1st fraction, since 12 × 7 = 84,
    2/12 = 2 × 7/12 × 7 = 14/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    3/7 = 3 × 12/7 × 12 = 36/84
  4. Subtract the two fractions:
    14/84 - 36/84 = 14 - 36/84 = -22/84
  5. After reducing the fraction, the answer is -11/42

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