5. \( 2 \frac{1}{3} - y = \frac{5}{6} \)

\( y = 2 \frac{1}{3} - \frac{5}{6} = \frac{7}{3} - \frac{5}{6} = \frac{14}{6} - \frac{5}{6} = \frac{9}{6} = \frac{3}{2} \)