Сравнить дроби:4/11и4/9;5/17и9/17;5/9и10/27;7/15и19/40.

[latex] \frac{4}{11} \ \textless \ \frac{4}{9} [/latex] [latex] \frac{5}{17} \ \textless \ \frac{9}{17} [/latex] [latex] \frac{5}{9 } \ \textgreater \ \frac{10}{27} [/latex] [latex] \frac{7}{15} \ \textless \ \frac{19}{40} [/latex]

4/11< 4/9. 5/17<9/17. 5/9=15/27>10/27. 7/15=56/120< 19/40=57/120.