Out of the fractions $$\frac{5}{7},\frac{4}{9},\frac{6}{11},\frac{2}{5}$$ and $$\frac{3}{4}$$ what is the difference between largest and smallest fractions?

A

$$\frac{6}{11}$$

B

$$\frac{11}{18}$$

C

$$\frac{7}{18}$$

D

$$\frac{11}{20}$$

E

None of these