Answers

Add 3/81 and 56/16

1^st number: 3/81, 2^nd number: 3 8/16

3/81 + 56/16 is 191/54.

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,
   3/81 = 3 × 16/81 × 16 = 48/1296
3. Likewise, for the 2nd fraction, since 16 × 81 = 1296,
   56/16 = 56 × 81/16 × 81 = 4536/1296
4. Add the two like fractions:
   48/1296 + 4536/1296 = 48 + 4536/1296 = 4584/1296
5. 4584/1296 simplified gives 191/54
6. So, 3/81 + 56/16 = 191/54
   In mixed form: 329/54

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