Answers

Add 10/81 and 6/16

10/81 + 6/16 is 323/648.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 16 is 1296
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1296
2. For the 1st fraction, since 81 × 16 = 1296,
   10/81 = 10 × 16/81 × 16 = 160/1296
3. Likewise, for the 2nd fraction, since 16 × 81 = 1296,
   6/16 = 6 × 81/16 × 81 = 486/1296
4. Add the two like fractions:
   160/1296 + 486/1296 = 160 + 486/1296 = 646/1296
5. 646/1296 simplified gives 323/648
6. So, 10/81 + 6/16 = 323/648

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