Сравните дроби 4/7 и 2/3.

\[\frac{4}{7}\ и\ \frac{2}{3}\]

\[\frac{4}{7} = \frac{4 \cdot 3}{21} = \frac{12}{21};\]

\[\frac{2}{3} = \frac{2 \cdot 7}{21} = \frac{14}{21};\]

\[\frac{12}{21} < \frac{14}{21}.\]

\[\frac{4}{7} < \frac{2}{3}\text{.\ }\]