to the risk of sounding redundant.
[tex]\bf ~~~~~~~~~~~~\textit{middle point of 2 points }
\\\\
(\stackrel{x_1}{3}~,~\stackrel{y_1}{2})\qquad
(\stackrel{x_2}{5}~,~\stackrel{y_2}{4})
\qquad
% coordinates of midpoint
\left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right)
\\\\\\
\left( \cfrac{5+3}{2}~~,~~\cfrac{4+2}{2} \right)\implies (4,3)[/tex]