Posted by Jon on .
Assume that no denominator equals 0.
2+i/13i
= 2+i/13i
= (2+i/13i) * (1+3i/1+3i)
= (2+3i^2)/(19i^2)
= (2/1)  (1/3i)
= 21/3i(answer)

Algebra II (check) 
Reiny,
no.... from your
(2+i/13i) * (1+3i/1+3i)
= (2+i)/(13i) * (1+3i)/(1+3i)
= (2 + 6i + i  3i^2)/(1  9i^2) remember i^2 = 1
= (5+7i)/10