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Add 63/98 and 2/21

63/98 + 2/21 is 31/42.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 294
  2. For the 1st fraction, since 98 × 3 = 294,
    63/98 = 63 × 3/98 × 3 = 189/294
  3. Likewise, for the 2nd fraction, since 21 × 14 = 294,
    2/21 = 2 × 14/21 × 14 = 28/294
  4. Add the two like fractions:
    189/294 + 28/294 = 189 + 28/294 = 217/294
  5. 217/294 simplified gives 31/42
  6. So, 63/98 + 2/21 = 31/42

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