Вычислите: 9/4+8/5.

\[\frac{9^{\backslash 5}}{4} + \frac{8^{\backslash 4}}{5} = \frac{45 + 32}{20} = \frac{77}{20} = 3\frac{17}{20} =\]

\[= 3\frac{85}{100} = 3,85.\]