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Add 12/98 and 42/21

1st number: 12/98, 2nd number: 2 0/21

12/98 + 42/21 is 104/49.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 21 is 294
  2. For the 1st fraction, since 98 × 3 = 294,
    12/98 = 12 × 3/98 × 3 = 36/294
  3. Likewise, for the 2nd fraction, since 21 × 14 = 294,
    42/21 = 42 × 14/21 × 14 = 588/294
  4. Add the two fractions:
    36/294 + 588/294 = 36 + 588/294 = 624/294
  5. 624/294 simplified gives 104/49
  6. So, 12/98 + 42/21 = 104/49
    In mixed form: 26/49

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