## Basic College Mathematics (9th Edition)

$\frac{11}{15}$
$11 to$ 15 The ratio is $\frac{$ 11}{$15}$. Divide out the common units. $\frac{11}{15}$ is in lowest form. So, the ratio of $11 to$ 15 is 11 to 15 or, written as a fraction,$\frac{11}{15}$