Answers

Add 25/84 and 5/81

25/84 + 5/81 is 815/2268.

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,
   25/84 = 25 × 27/84 × 27 = 675/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   5/81 = 5 × 28/81 × 28 = 140/2268
4. Add the two like fractions:
   675/2268 + 140/2268 = 675 + 140/2268 = 815/2268
5. So, 25/84 + 5/81 = 815/2268

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