Решение:
\[ \frac{1}{6} \times \frac{3}{7} = \frac{1 \times 3}{6 \times 7} = \frac{3}{42} \]
\[ \frac{3}{42} = \frac{1}{14} \]
\[ \frac{1}{14} : \frac{5}{14} = \frac{1}{14} \times \frac{14}{5} = \frac{1 \times 14}{14 \times 5} = \frac{1}{5} \]
Ответ: 1/5