[tex]2\frac{1}{6}\times2\frac{5}{6}[/tex][tex]\begin{gathered} \frac{(2\times6)+1}{6}\times\frac{(2\times6)+5}{6} \\ \frac{13}{6}\times\frac{17}{6} \\ \frac{13\times17}{6\times6} \\ \frac{221}{36} \end{gathered}[/tex]
or converting the fraction to a mixed number
[tex]6\frac{5}{36}[/tex]