10(1/6)+5(2/6)+-6(3/6)

\(10(\frac{1}{6})+5(\frac{2}{6})+-6(\frac{3}{6}) \)

\(\frac{10}{6}+\frac{10}{6}-\frac{18}{6}\)

\(\frac{20}{6}-\frac{18}{6}\)

\(\frac{2}{6} = \frac{1}{3}\)