Answer
$\frac{17}{30}$
Work Step by Step
Rewrite both of the fractions to get a common denominator. $$\frac{7}{10}-\frac{2}{15}=\frac{7(3)}{10(3)}-\frac{2(2)}{15(2)}=\frac{21}{30}-\frac{4}{30}$$ Therefore, the expression simplifies to $\frac{21-4}{30}=\frac{17}{30}$.
