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Subtract 21/49 from 12/28

12/28 - 21/49 is 0/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 49 is 196

    Next, find the equivalent fraction of both fractional numbers with denominator 196
  2. For the 1st fraction, since 28 × 7 = 196,
    12/28 = 12 × 7/28 × 7 = 84/196
  3. Likewise, for the 2nd fraction, since 49 × 4 = 196,
    21/49 = 21 × 4/49 × 4 = 84/196
  4. Subtract the two like fractions:
    84/196 - 84/196 = 84 - 84/196 = 0/196
  5. The answer is 0

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