## Algebra: A Combined Approach (4th Edition)

$\dfrac{1}{4}\cdot\dfrac{2}{3}-\dfrac{1}{6}=0$
$\dfrac{1}{4}\cdot\dfrac{2}{3}-\dfrac{1}{6}$ First, evaluate the product and after that, the substraction: $\dfrac{1}{4}\cdot\dfrac{2}{3}-\dfrac{1}{6}=\dfrac{2}{12}-\dfrac{1}{6}=\dfrac{1}{6}-\dfrac{1}{6}=0$