Answer :

452
[tex]\boxed{ \frac{3}{5} . \frac{25}{36} = \frac{75^{\div15}}{180^{\div15}}= \frac{5}{12} }[/tex]
tomek1172
[tex]\frac35 \cdot \frac{25}{36}=\frac{75}{180}=\frac5{12}[/tex]