\[\frac{4}{9}\ и\ \frac{3}{8}\]
\[\frac{4}{9} = \frac{4 \cdot 8}{9 \cdot 8} = \frac{32}{72};\]
\[\frac{3}{8} = \frac{3 \cdot 9}{8 \cdot 9} = \frac{27}{72};\]
\[\frac{32}{72} > \frac{27}{72}.\]
\[\frac{4}{9} > \frac{3}{8}.\ \]