Answer:
[tex]\frac{2}{5}[/tex]
Step-by-step explanation:
[tex]\frac{5}{9} * \frac{18}{25} = \frac{5 * 18}{9 * 25} = \frac{90}{225} = \frac{45 * 2}{45 * 5} = \frac{2}{5}[/tex]
