Ответ:

\(\frac{7}{7}-\frac{1}{5}=1-\frac{1}{5}=\frac{4}{5}\).

\(\frac{10}{64}-\frac{1}{8}=\frac{5}{32}-\frac{4}{32}=\frac{1}{32}\).

Ответ: \(\frac{4}{5};\ \frac{1}{32}\).