Not unless you are going into decimals.
3/8 is in its simplest form.
0.6250.625
8/100 as a decimal is 0.08
2.67
8.75
3 x 8 = 2424.0
0.16666666666666
0.15
3/5 is 60% or 0.60
3 over 10 or if you are doing decimals, .3
1 over 3 as a decimal is 0.3 recurring.