Express as a common fraction the reciprocal of $0.\overline7$.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Express as a common fraction the reciprocal of $0.\overline7$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\frac 97
Express as a common fraction the reciprocal of $0.\overline7$.
train