Basic College Mathematics (10th Edition)

$\frac{1}{3}$
$\frac{3}{4}$*$\frac{4}{9}$ Multiply the numerators and multiply the denominators. $\frac{3 * 4}{4 * 9}$ Divide out the common factors in numerator and denominator common factors are 3 and 4 So the lowest term is $\frac{1}{3}$