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Subtract 21/49 from 2/12

2/12 - 21/49 is -11/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 49 is 588

    Next, find the equivalent fraction of both fractional numbers with denominator 588
  2. For the 1st fraction, since 12 × 49 = 588,
    2/12 = 2 × 49/12 × 49 = 98/588
  3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
    21/49 = 21 × 12/49 × 12 = 252/588
  4. Subtract the two like fractions:
    98/588 - 252/588 = 98 - 252/588 = -154/588
  5. After reducing the fraction, the answer is -11/42

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