Answers

Add 40/16 and 40/81

1^st number: 2 8/16, 2^nd number: 40/81

40/16 + 40/81 is 485/162.

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,
   40/16 = 40 × 81/16 × 81 = 3240/1296
3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
   40/81 = 40 × 16/81 × 16 = 640/1296
4. Add the two like fractions:
   3240/1296 + 640/1296 = 3240 + 640/1296 = 3880/1296
5. 3880/1296 simplified gives 485/162
6. So, 40/16 + 40/81 = 485/162
   In mixed form: 2161/162

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