We have:

$\frac{3}{\sqrt{27}}=\frac{3\sqrt{3}}{\sqrt{81}}=\frac{3\sqrt{3}}{9}=\boxed{\frac{\sqrt{3}}{3}}$.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Simplify the following:$$\frac{3}{\sqrt{27}}$$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\frac{\sqrt{3}}{3}
Simplify the following:$$\frac{3}{\sqrt{27}}$$
test