а) \(\frac{1}{6},\ \frac{2}{6},\ \frac{3}{6},\ \frac{4}{6},\ \frac{5}{6}\).
б) При натуральных знаменателях: \(\frac{6}{1},\ \frac{6}{2},\ \frac{6}{3},\ \frac{6}{4},\ \frac{6}{5},\ \frac{6}{6}\).