Answer
$\dfrac{10}{21}$
Work Step by Step
RECALL:
$\dfrac{a}{b} \div \dfrac{c}{d} = \dfrac{a}{b} \cdot \dfrac{d}{c}$
Use the rule above to obtain:
$\\=\dfrac{2}{7} \cdot \dfrac{5}{3}
\\=\dfrac{2 \cdot 5}{7 \cdot 3}
\\=\dfrac{10}{21}$