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Subtract 3/28 from 1/12

1/12 - 3/28 is -1/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 28 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 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 28 × 3 = 84,
    3/28 = 3 × 3/28 × 3 = 9/84
  4. Subtract the two like fractions:
    7/84 - 9/84 = 7 - 9/84 = -2/84
  5. After reducing the fraction, the answer is -1/42

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