[tex]2\sqrt{3}[/tex]
------------------------
Steps:
1st write out equation
[tex]\frac{\sqrt{60}}{\sqrt{5}} \\[/tex]
Second write the conjugant and multiply it.
[tex]\frac{\sqrt{60}}{\sqrt{5}} * \frac{\sqrt{5} }{\sqrt{5} }[/tex]
After multiplying you should get,
[tex]\frac{10\sqrt{3}}{5}[/tex]
now after simplifying you should get
[tex]2\sqrt{3}[/tex]