Answers

Add 21/9 and 84/98

1^st number: 2 3/9, 2^nd number: 84/98

21/9 + 84/98 is 67/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 9 × 98 = 882,
   21/9 = 21 × 98/9 × 98 = 2058/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   84/98 = 84 × 9/98 × 9 = 756/882
4. Add the two like fractions:
   2058/882 + 756/882 = 2058 + 756/882 = 2814/882
5. 2814/882 simplified gives 67/21
6. So, 21/9 + 84/98 = 67/21
   In mixed form: 34/21

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