Answers

Add 98/2 and 28/81

1^st number: 49 0/2, 2^nd number: 28/81

98/2 + 28/81 is 3997/81.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 2 × 81 = 162,
   98/2 = 98 × 81/2 × 81 = 7938/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   28/81 = 28 × 2/81 × 2 = 56/162
4. Add the two like fractions:
   7938/162 + 56/162 = 7938 + 56/162 = 7994/162
5. 7994/162 simplified gives 3997/81
6. So, 98/2 + 28/81 = 3997/81
   In mixed form: 4928/81

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