Tap the blue circles to see an explanation.
| $$ \begin{aligned}\frac{\sqrt{15}}{\sqrt{34}}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{\sqrt{15}}{\sqrt{34}}\frac{\sqrt{34}}{\sqrt{34}} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}\frac{\sqrt{510}}{34}\end{aligned} $$ | |
| ① | Multiply the numerator and denominator by the conjugate of the denominator . $$\color{blue}{ \sqrt{34}} $$. |
| ② | Multiply in a numerator. $$ \color{blue}{ \sqrt{15} } \cdot \sqrt{34} = \sqrt{510} $$ Simplify denominator. $$ \color{blue}{ \sqrt{34} } \cdot \sqrt{34} = 34 $$ |