4. Вставьте между дробями нужный из знаков <, > или =
3/4 17/20
7/12. 11/28
5/14. 17/28
​

[tex]\frac{3}{4}<\frac{17}{20}\\\\\frac{3*5}{4*5}<\frac{17}{20}\\\\\frac{15}{20}<\frac{17}{20}[/tex]

[tex]\frac{7}{12}>\frac{11}{28}\\\\\frac{7*7}{12*7}>\frac{11*3}{28*3}\\\\\frac{49}{84}>\frac{33}{84}[/tex]

[tex]\frac{5}{14}<\frac{17}{28}\\\\\frac{5*2}{14*2}<\frac{17}{28}\\\\\frac{10}{28}<\frac{17}{28}[/tex]