Ответ:

\(1=4/4\).

\(1/3=2/6\).

\(1=8/8\).

\(1/3=3/9\).

\(1=2/2\).

\(2/6=3/9\).

\(2/8=1/4\).

\(2/3=6/9\).

\(1=3/3\).

\(2/3=4/6\).