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Subtract 12/84 from 1/3

1/3 - 12/84 is 4/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 3 × 28 = 84,
    1/3 = 1 × 28/3 × 28 = 28/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    12/84 = 12 × 1/84 × 1 = 12/84
  4. Subtract the two like fractions:
    28/84 - 12/84 = 28 - 12/84 = 16/84
  5. After reducing the fraction, the answer is 4/21

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