1/2 as a decimal number is written as 0.5 (equivalent to 5/10, which clearly reduces to 1/2)
Chat with our AI personalities
We write .5 or 0.5 as the decimal for one half.
To write 8 and a half in numerical form, you would write it as 8.5. This is known as a decimal representation of a mixed number, where the whole number is before the decimal point and the fraction is after the decimal point. In this case, the whole number is 8 and the fraction is half, which is equivalent to 0.5 in decimal form.
12 and one half as a decimal is 12.5
.5
3.5