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Add 84/98 and 42/21

1st number: 84/98, 2nd number: 2 0/21

84/98 + 42/21 is 20/7.

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,
    84/98 = 84 × 3/98 × 3 = 252/294
  3. Likewise, for the 2nd fraction, since 21 × 14 = 294,
    42/21 = 42 × 14/21 × 14 = 588/294
  4. Add the two fractions:
    252/294 + 588/294 = 252 + 588/294 = 840/294
  5. 840/294 simplified gives 20/7
  6. So, 84/98 + 42/21 = 20/7
    In mixed form: 26/7

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