Solve for: 18/1 \times 5/9

Expression: $\frac{18}{1}\times \frac{5}{9}$

Apply the fraction rule $\frac{a}{b}\times \frac{c}{d}=\frac{a\:\times \:c}{b\:\times \:d}$

$=\frac{18\times 5}{1\times 9}$

Multiply the numbers: $ 1\times 9=9$

$=\frac{18\times 5}{9}$

Divide the numbers: $ \frac{18}{9}=2$

$=2\times 5$

Multiply the numbers: $ 2\times 5=10$

$=10$