Question 4934
first you have to change your fractions into decimals. You do that by dividing the bottom # over the top #. 
so 5/8=.625
now you can figure out your problem

.625/8=12.8

you do the same for the next problem

1 5/8=1.625 and 2 1/2= 2.5

1.625/2.5=0.65