Answer
$\dfrac{\sqrt{2}}{\sqrt{7}}=\dfrac{\sqrt{14}}{7}$
Work Step by Step
$\dfrac{\sqrt{2}}{\sqrt{7}}$
Multiply the fraction by $\dfrac{\sqrt{7}}{\sqrt{7}}$ and simplify:
$\dfrac{\sqrt{2}}{\sqrt{7}}=\dfrac{\sqrt{2}}{\sqrt{7}}\cdot\dfrac{\sqrt{7}}{\sqrt{7}}=\dfrac{\sqrt{14}}{\sqrt{7^{2}}}=\dfrac{\sqrt{14}}{7}$