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Subtract 3/7 from 1/12

1/12 - 3/7 is -29/84.

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,
    1/12 = 1 × 7/12 × 7 = 7/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    3/7 = 3 × 12/7 × 12 = 36/84
  4. Subtract the two fractions:
    7/84 - 36/84 = 7 - 36/84 = -29/84

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