Answer :

First, change the decimal to a fraction by putting it over 1000:
[tex]4 \frac{625}{1000} [/tex]

Now find a common denominator of 625 and 1000. The simplest to find and divide by is 5. So begin by dividing them each by five until you have a completely simplified fraction:
[tex]4 \frac{625}{1000} \\ \\ 4 \frac{125}{200} \\ \\ 4 \frac{25}{40} \\ \\ 4 \frac{5}{8} [/tex]

The answer is [tex]4 \frac{5}{8} [/tex]

~Drew :D
(I hope that made sense. lol)