For example, let's convert 0.5 to fraction.
The number 5 is in in the tenth place, then that would be the denominator. Hence, we have 5/10. Convert to lowest term, we have 1/2.
0.5 = 1/2
Another example is 0.25
The number 25 is in the hundredths place. Then we have 25/100
Convert to lowest term, we have 1/4.
0.25 = 1/4