\(\frac{5}{7}và\frac{7}{5}=\frac{25}{35}<\frac{49}{35}=>\frac{5}{7}<\frac{7}{5}\)
tick nhé
\(\frac{5}{7}=0.714.....\)
\(\frac{7}{5}=1.4\)
\(Vì:0.714...<1.4\)
\(\Rightarrow\frac{5}{7}<\frac{7}{5}\)
\(\frac{5}{7}và\frac{7}{5}=\frac{25}{35}và\frac{49}{35}\)
mà 49 >25
=>25/35<49/35
hay 5/7<7/5