What is the difference between the biggest and the smallest fraction among $$\frac{2}{3}$$, $$\frac{3}{4}$$, $$\frac{4}{5}$$ and $$\frac{5}{6}$$ ?

What is the difference between the biggest and the smallest fraction a

1.	What is the difference between the biggest and the smallest fraction among $$\frac{2}{3}$$, $$\frac{3}{4}$$, $$\frac{4}{5}$$ and $$\frac{5}{6}$$ ?
A.	$\frac{1}{6}$$
B.	$\frac{1}{12}$$
C.	$\frac{1}{20}$$
D.	$\frac{1}{30}$$
Answer» B. $\frac{1}{12}$$