Answers

Add 70/28 and 15/81

1^st number: 2 14/28, 2^nd number: 15/81

70/28 + 15/81 is 145/54.

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,
   70/28 = 70 × 81/28 × 81 = 5670/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   15/81 = 15 × 28/81 × 28 = 420/2268
4. Add the two like fractions:
   5670/2268 + 420/2268 = 5670 + 420/2268 = 6090/2268
5. 6090/2268 simplified gives 145/54
6. So, 70/28 + 15/81 = 145/54
   In mixed form: 237/54

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