\(\dfrac{3}{4}=\dfrac{9}{12};\dfrac{5}{6}=\dfrac{10}{12};\dfrac{1}{2}=\dfrac{6}{12};\dfrac{4}{3}=\dfrac{16}{12}\\ v\text{ì}\dfrac{.6}{12}< \dfrac{9}{12}< \dfrac{10}{12}< \dfrac{16}{12}\\ \Rightarrow\dfrac{1}{2}< \dfrac{3}{4}< \dfrac{5}{6}< \dfrac{4}{3}\)
\(\dfrac{4}{3};\dfrac{5}{6};\dfrac{3}{4};\dfrac{1}{2}\)