Найдите значение выражения: 2/5m, если m=1/2, 2/5, 2 1/2, 1 7/8, 15/16

[latex] \frac{2}{5} * \frac{1}{2} = \frac{2}{10} = \frac{1}{5} [/latex] [latex] \frac{2}{5} * \frac{2}{5} = \frac{4}{25} [/latex] [latex] \frac{2}{5} * 2\frac{1}{2} = \frac{2}{5} *\frac{5}{2} = 1[/latex] [latex] \frac{2}{5} * 1 \frac{7}{8} = \frac{2}{5} *\frac{15}{8} = \frac{30}{40} =\frac{3}{4}[/latex] [latex] \frac{2}{5} * \frac{15}{16} = \frac{30}{80} =\frac{3}{8} [/latex]