$$15$$

$$\frac{1}{15}$$

$$\frac{1}{5}$$

$$\frac{1}{3}$$

$$\frac{1}{5}$$

$$\frac{1}{6}$$

$$1\ \frac{1}{5}$$

$$1\ \frac{1}{6}$$

8

$$\frac{1}{8}$$

4

$$\frac{1}{4}$$

7 ÷ 3

3 ÷ 7