Answers

Add 28/81 and 14/84

28/81 + 14/84 is 83/162.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 84 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 81 × 28 = 2268,
   28/81 = 28 × 28/81 × 28 = 784/2268
3. Likewise, for the 2nd fraction, since 84 × 27 = 2268,
   14/84 = 14 × 27/84 × 27 = 378/2268
4. Add the two like fractions:
   784/2268 + 378/2268 = 784 + 378/2268 = 1162/2268
5. 1162/2268 simplified gives 83/162
6. So, 28/81 + 14/84 = 83/162

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