[tex]\displaystyle\\
A)~~\frac{2}{25}\times\frac{5}{9}=\frac{2}{5}\times\frac{1}{9}=\frac{2}{45}\\\\\\
B)~~ \frac{8}{12}\times \frac{9}{28}=\frac{2}{3}\times \frac{9}{28}=\frac{1}{1}\times \frac{3}{14}= \frac{3}{14} \\\\\\
C)~~\frac{4}{11}\times 2\frac{4}{9}=\frac{4}{11}\times \frac{2\times9 +4}{9} =\frac{4}{11}\times \frac{22}{9}=\frac{4}{1}\times \frac{2}{9}=\frac{8}{9}[/tex]