Answers

Add 28/48 and 8/81

28/48 + 8/81 is 221/324.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 81 is 1296
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1296
2. For the 1st fraction, since 48 × 27 = 1296,
   28/48 = 28 × 27/48 × 27 = 756/1296
3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
   8/81 = 8 × 16/81 × 16 = 128/1296
4. Add the two like fractions:
   756/1296 + 128/1296 = 756 + 128/1296 = 884/1296
5. 884/1296 simplified gives 221/324
6. So, 28/48 + 8/81 = 221/324

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