87.5 is already a decimal.
87.5 as a decimal would be written as 0.875.
.875
It is already in decimal form.
8.75
.875
.875
.875
.875
7/8 as a decimal is .875.
.875
o.875
7 over 8. If you put a decimal point before the 875.
type 7 divided by 8 into ur calulator.... which would = .875