Сравните дроби а)11/12 и 13/15 б)17/48 и 25/72

[latex]a) \frac{11}{12} [/latex] и [latex]\frac{13}{15} [/latex] [latex]\frac{11}{12} = \frac{55}{60}  [/latex] [latex]\frac{13}{15} = \frac{52}{60} [/latex] [latex]\frac{55}{60} \ \textgreater \ \frac{52}{60}[/latex] →[latex]\frac{11}{12}\ \textgreater \ \frac{13}{15} [/latex] б) [latex] \frac{17}{48} [/latex] и [latex] \frac{25}{72} [/latex] [latex] \frac{17}{48} = \frac{51}{144} [/latex] [latex] \frac{25}{72} = \frac{50}{144} [/latex] [latex] \frac{51}{144} \ \textgreater \ \frac{50}{144} [/latex] [latex] \frac{17}{48} \ \textgreater \ \frac{25}{72} [/latex]