\frac{1}{9}
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Find $\frac{1}{3} - \frac{2}{9}$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\frac{1}{9}
Find $\frac{1}{3} - \frac{2}{9}$.
train