Question

What is the answer. 3 1/3+ 5 2/3+ 3 5/6

Answer 1

Although your problem confuses me, I will use the spaces as multiplication symbols. 

Answer = 6.833 >

Answer 2

You find the LCD which is 6.
You see how much 3 goes in 6 which is 2. So you multiply 2 to the bottom and the top.
3 2/6 + 5 4/6 + 3 5/6
Now you can add it up.
12 5/6