Answers

Add 18/84 and 10/81

18/84 + 10/81 is 383/1134.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 81 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 84 × 27 = 2268,
   18/84 = 18 × 27/84 × 27 = 486/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   10/81 = 10 × 28/81 × 28 = 280/2268
4. Add the two like fractions:
   486/2268 + 280/2268 = 486 + 280/2268 = 766/2268
5. 766/2268 simplified gives 383/1134
6. So, 18/84 + 10/81 = 383/1134

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