a) \(\frac{1}{8} = \frac{1}{2} \cdot \frac{1}{4}\)
б) \(\frac{5}{9} = \frac{5}{3} \cdot \frac{1}{3}\)
в) \(\frac{15}{14} = \frac{3}{2} \cdot \frac{5}{7}\)
г) \(\frac{7}{18} = \frac{7}{6} \cdot \frac{1}{3}\)
Ответ: a) 1/2 * 1/4; б) 5/3 * 1/3; в) 3/2 * 5/7; г) 7/6 * 1/3