Question 20658
i think i have an idea of it
(1/3+2/3i)+ (1/3 - 5/6i)
all you have to do is:move the parathesis and collect like terms,so u have:
(1/3 + 1/3) + (2/3i - 5/6i)
then 1/3+ 1/3 =2/3
and  2/3i - 5/6i = -1i/6i
so therefore your answer is:
2/3 - 1i/6i.
hope you are clear with this.