Answers

Add 12/98 and 84/81

1^st number: 12/98, 2^nd number: 1 3/81

12/98 + 84/81 is 1534/1323.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 81 is 7938
   
   Next, find the equivalent fraction of both fractional numbers with denominator 7938
2. For the 1st fraction, since 98 × 81 = 7938,
   12/98 = 12 × 81/98 × 81 = 972/7938
3. Likewise, for the 2nd fraction, since 81 × 98 = 7938,
   84/81 = 84 × 98/81 × 98 = 8232/7938
4. Add the two like fractions:
   972/7938 + 8232/7938 = 972 + 8232/7938 = 9204/7938
5. 9204/7938 simplified gives 1534/1323
6. So, 12/98 + 84/81 = 1534/1323
   In mixed form: 1211/1323

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