formulas in 1/4 increments?

Hi All,
I have the following formula to sum some numbers.
=sum(D11+B12)-C12

This formula is calculating whole numbers, how can I write this so that it will calculate in 1/4 increments?

8.5 + 6 - 2.5 = 8.25

(My total keep rounding up to 8.3)

Thanx

Lt

I got it figured out

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