\(\frac{18}{75}=\frac{6}{25}\)
\(\frac{28}{112}=\frac{1}{4}=\frac{6}{24}\)
Vì 25>24 nên \(\frac{6}{25}< \frac{6}{24}\Leftrightarrow\frac{18}{75}>\frac{28}{112}\)
\(\frac{18}{75}=\frac{6}{25}\)
\(\frac{28}{112}=\frac{1}{4}\)
MÀ : \(\frac{1}{4}=\frac{6}{24}>\frac{6}{25}\)
\(\Rightarrow\frac{18}{75}< \frac{28}{112}\)