Answers

Add 6/16 and 8/81

6/16 + 8/81 is 307/648.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 81 is 1296
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1296
2. For the 1st fraction, since 16 × 81 = 1296,
   6/16 = 6 × 81/16 × 81 = 486/1296
3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
   8/81 = 8 × 16/81 × 16 = 128/1296
4. Add the two like fractions:
   486/1296 + 128/1296 = 486 + 128/1296 = 614/1296
5. 614/1296 simplified gives 307/648
6. So, 6/16 + 8/81 = 307/648

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