Answers

Add 98/28 and 56/81

1^st number: 3 14/28, 2^nd number: 56/81

98/28 + 56/81 is 679/162.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 81 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 28 × 81 = 2268,
   98/28 = 98 × 81/28 × 81 = 7938/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   56/81 = 56 × 28/81 × 28 = 1568/2268
4. Add the two like fractions:
   7938/2268 + 1568/2268 = 7938 + 1568/2268 = 9506/2268
5. 9506/2268 simplified gives 679/162
6. So, 98/28 + 56/81 = 679/162
   In mixed form: 431/162

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