\(c\frac{1313}{9191}=\frac{1313:101}{9191:101}=\frac{13}{91}=\frac{1}{7}\)
\(\frac{1111}{7373}=\frac{1111:101}{7373:101}=\frac{11}{73}\)
\(mà\frac{1}{7}=\frac{1}{77}\Rightarrow\frac{11}{77}< \frac{11}{73}\)
vậy \(\frac{1313}{9191}< \frac{1111}{7373}\)