The value of which of following fractions is less than twenty percent ?

$$\eqalign{ & \frac{5}{6} = \left( {\frac{5}{6} \times 100} \right)\% \cr & \,\,\,\,\,\, = 83\frac{1}{3}\% \cr & \frac{2}{3} = \left( {\frac{2}{3} \times 100} \right)\% \cr & \,\,\,\,\,\, = 66\frac{2}{3}\% \cr & \frac{2}{5} = \left( {\frac{2}{5} \times 100} \right)\% \cr & \,\,\,\,\,\, = 40\% \cr & \frac{1}{4} = \left( {\frac{1}{4} \times 100} \right)\% \cr & \,\,\,\,\,\, = 25\% \cr & \frac{2}{{11}} = \left( {\frac{2}{{11}} \times 100} \right)\% \cr & \,\,\,\,\,\,\,\,\, = 18\frac{2}{{11}}\% < 20\% \cr} $$