г) $$\frac{29}{30} - \frac{29}{30} = \frac{0}{30} = 0$$
д) $$\frac{3}{7} + \frac{4}{7} = \frac{7}{7} = 1$$
е) $$\frac{8}{11} + \frac{2}{11} = \frac{10}{11}$$
Ответ: г) $$0$$, д) $$1$$, е) $$\frac{10}{11}$$