[tex]a)\ \dfrac{35}{17}\ \textgreater \ \dfrac{34}{17} \Longrightarrow \dfrac{35}{17} \ \textgreater \ 2[/tex]
[tex]b)\ \dfrac{63}{8} \ \textless \ \dfrac{64}{8} \Longrightarrow \dfrac{63}{8} \ \textless \ 8[/tex]
Si acum cea mai grea: comparam 5 cu 25/5
25/5=25:5=5
Deci : [tex]\it{5\ =\ \dfrac{25}{5}}[/tex]