What is the complex conjugate of 1/3+5/6i?

$\frac{1}{3} - \frac{5}{6} i$
For any complex number $z \in \mathbb{C}$ in rectangular form $z = x + i y$, the complex conjugate may be given by $\overline{z} = x - i y$.
(Note that $z \overline{z} = {x}^{2} + {y}^{2} \in \mathbb{R}$)