Answer
$\frac{5}{14}$
Work Step by Step
Start with given expression: $\frac{9}{14}-\frac{2}{7}$
Convert $\frac{2}{7}$ to fourteenths: $\frac{2}{7}\times\frac{2}{2}=\frac{4}{14}$
Subtract the terms with like denominators: $\frac{9}{14}-\frac{4}{14}=\frac{5}{14}$