1) Between 8 am and 9:20 am there is one hour and 20 minutes
so
[tex]1\frac{20}{60}\longrightarrow1\frac{1}{3}[/tex]2) Between 9am and 245pm there are 5 and 45 minutes
so
[tex]5\frac{45}{60}\longrightarrow5\frac{3}{4}[/tex]3) Between 11am and 3:55pm there are 4 hours and 55 minutes
so
[tex]4\frac{55}{60}\longrightarrow4\frac{11}{12}[/tex]4) Between 8:30 am and 10:40pm there are 14 hours and 10 minutes
so
[tex]14\frac{10}{60}\longrightarrow14\frac{1}{6}[/tex]5) Between 5:30 pm and 10:45 pm there are 5 hours and 15 minutes
[tex]5\frac{15}{60}\longrightarrow5\frac{1}{4}[/tex]6) Between 7:20am and 11am there are 3 hours and 40 minutes
so
[tex]3\frac{40}{60}\longrightarrow3\frac{2}{3}[/tex]