Answers

Add 36/84 and 27/81

36/84 + 27/81 is 16/21.

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,
   36/84 = 36 × 27/84 × 27 = 972/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   27/81 = 27 × 28/81 × 28 = 756/2268
4. Add the two like fractions:
   972/2268 + 756/2268 = 972 + 756/2268 = 1728/2268
5. 1728/2268 simplified gives 16/21
6. So, 36/84 + 27/81 = 16/21

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