What is the sum of 3 2/9 plus 5 5/6

First, change the mixed fractions to improper fractions

9x3=27+2=29/9
5x6=30+5=35/6

Now we have 35/6 + 29/9, but we need to make the denominators equal in order to add.

35/6 x 3/3= 105/18
29/9 x 2/2= 58/18

Now we just need to add

58/18 + 105/18 = 163/18

163/18 would be your answer.

The sum of 3 2/9 plus 5 5/6 is 7.39 or 133/18

The surface area would be 576 because you multiply all the numbers then multiply that number by 6