Answers

Add 8/81 and 63/28

1^st number: 8/81, 2^nd number: 2 7/28

8/81 + 63/28 is 761/324.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 28 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 81 × 28 = 2268,
   8/81 = 8 × 28/81 × 28 = 224/2268
3. Likewise, for the 2nd fraction, since 28 × 81 = 2268,
   63/28 = 63 × 81/28 × 81 = 5103/2268
4. Add the two like fractions:
   224/2268 + 5103/2268 = 224 + 5103/2268 = 5327/2268
5. 5327/2268 simplified gives 761/324
6. So, 8/81 + 63/28 = 761/324
   In mixed form: 2113/324

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