\frac{2}{5}
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Express $\left(\frac{16}{625}\right)^{\frac14}$ a common fraction.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\frac{2}{5}
Express $\left(\frac{16}{625}\right)^{\frac14}$ a common fraction.
train