Question

Awsner 9 divided by 81.9 , 7.4 divided by 103.6, .87 divided by .5307,and 5.5 divided by 3.25

Answer 1

`9:81.9=90:819=(90)/(891)=(90:9)/(891:9)=\boxed{(10)/(99)}\\\\7.4:103.6=74:1036=(74)/(1036)=(74:74)/(1036:74)=\boxed{(1)/(14)}\\\\0.87:0.5307=8700:5307=(8700)/(5307)=1(3393)/(5307)=1(3393:3)/(5307:3)=1(1131)/(1769)\\\\=1(1131:29)/(1769:29)=\boxed{1(39)/(61)}\\\\5.5:3.25=550:325=(550)/(325)=(550:25)/(325:25)=(22)/(13)=\boxed{1(9)/(13)}`