Answers

Add 18/84 and 35/81

18/84 + 35/81 is 733/1134.

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,
   35/81 = 35 × 28/81 × 28 = 980/2268
4. Add the two like fractions:
   486/2268 + 980/2268 = 486 + 980/2268 = 1466/2268
5. 1466/2268 simplified gives 733/1134
6. So, 18/84 + 35/81 = 733/1134

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