[tex] \frac{1}{9} \times \frac{2}{5} \times \frac{18}{7} = \frac{4}{35} [/tex]
[tex]5 \times 3 \frac{1}{4} \times \frac{5}{8} = 5 \times \frac{13}{4} \times \frac{5}{8} = \frac{25 \times 13}{32} = \frac{325}{32} [/tex]
[tex]6 \frac{3}{5} \times 3 \frac{1}{4} = \frac{33}{5} \times \frac{13}{4} = \frac{33 \times 13}{20} = \frac{429}{20} [/tex]
