Explanation:
lets use .5 as an example
you would bring it back to fraction form
but first check the decimal places.
there is only one number to the right of the decimal making it known as a 10 for a demonater,
if there were two places to the right, it would be a 100 denominator and so on.
so now .5 is 5/10 reducing is. possible so its now, 1/2