Answers

Add 10/81 and 9/28

10/81 + 9/28 is 1009/2268.

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,
   10/81 = 10 × 28/81 × 28 = 280/2268
3. Likewise, for the 2nd fraction, since 28 × 81 = 2268,
   9/28 = 9 × 81/28 × 81 = 729/2268
4. Add the two like fractions:
   280/2268 + 729/2268 = 280 + 729/2268 = 1009/2268
5. So, 10/81 + 9/28 = 1009/2268

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