a, Ta có: \(\frac{29}{60}< \frac{30}{60}=\frac{1}{2}=\frac{14}{28}< \frac{15}{28}\) . Vậy \(\frac{29}{60}< \frac{15}{28}\)
b, \(\frac{13}{30}< \frac{15}{30}=\frac{1}{2}=\frac{21}{42}< \frac{23}{42}\).Vậy \(\frac{13}{30}< \frac{23}{42}\)
c, \(\frac{13}{36}>\frac{12}{36}=\frac{1}{3}=\frac{15}{45}>\frac{14}{45}\).Vậy \(\frac{13}{36}>\frac{14}{45}\)
d, \(\frac{1919}{9595}=\frac{1}{5}=\frac{1010}{5050}< \frac{1111}{5050}.\)Vậy \(\frac{1919}{9595}< \frac{1111}{5050}\)