Answer
$\dfrac{64}{99}$
Work Step by Step
RECALL:
Repeating decimals of the form $0.\overline{a}$, where $10 \le a \lt 100$, can be written in fraction form as:
$\dfrac{a}{99}$
$a=64$ for the given decimal. Thus, its equivalent fraction is:
$=\dfrac{64}{99}$
