8. The sum of 9 fractions is 1, their numerators are all 1, five of them are $\frac{1}{3}, \frac{1}{7}, \frac{1}{9}, \frac{1}{11}, \frac{1}{33}$, the denominators of the remaining four numbers all end in 5, please write down these 4 fractions.
8. 4 fractions are $\frac{1}{5}, \frac{1}{15}, \frac{1}{45}, \frac{1}{385}$