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Add 12/21 and 28/98

12/21 + 28/98 is 6/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 98 is 294

    Next, find the equivalent fraction of both fractional numbers with denominator 294
  2. For the 1st fraction, since 21 × 14 = 294,
    12/21 = 12 × 14/21 × 14 = 168/294
  3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
    28/98 = 28 × 3/98 × 3 = 84/294
  4. Add the two like fractions:
    168/294 + 84/294 = 168 + 84/294 = 252/294
  5. 252/294 simplified gives 6/7
  6. So, 12/21 + 28/98 = 6/7

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