2 1/2 written in decimal form is 2.5
The decimal form of 1/2 is 0.5
0.025
11/2% = 0.015
A half which is 1/2 is 0.5 as a decimal
1/2% = 0.0050
It is 500, and there is no need for decimal point.
3 1/2
1/2 = .5 1/2 is a half a whole, and one whole number is 1. so half is 0.5
One half is 1/2, which is 0.5 written as a decimal. 3 and (plus) 0.5 is 3.5. So 3 and one half is written 3.5
1/2, one half, .5, or .5%
To write one and a half percent, you can convert the percentage to a decimal by dividing by 100. One and a half percent is equal to 1.5%. Dividing 1.5 by 100 gives you 0.015 as a decimal representation.
0.5 0.50 1/2 one half 50%