MCS 84
\(\dfrac{2}{3}=\dfrac{2\times28}{3\times28}=\dfrac{56}{84}\)
\(\dfrac{7}{6}=\dfrac{7\times14}{6\times14}=\dfrac{98}{84}\)
\(\dfrac{12}{12}=\dfrac{12\times7}{12\times7}=\dfrac{84}{84}=1\)
\(\dfrac{3}{7}=\dfrac{3\times12}{7\times12}=\dfrac{36}{84}\)
\(\dfrac{36}{84}< \dfrac{56}{84}< 1< \dfrac{98}{84}\)
Hoặc \(\dfrac{3}{7}< \dfrac{2}{3}< \dfrac{12}{12}< \dfrac{7}{6}\)