Answers

Add 96/28 and 28/81

1^st number: 3 12/28, 2^nd number: 28/81

96/28 + 28/81 is 2140/567.

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,
   96/28 = 96 × 81/28 × 81 = 7776/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   28/81 = 28 × 28/81 × 28 = 784/2268
4. Add the two like fractions:
   7776/2268 + 784/2268 = 7776 + 784/2268 = 8560/2268
5. 8560/2268 simplified gives 2140/567
6. So, 96/28 + 28/81 = 2140/567
   In mixed form: 3439/567

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