The decimal part is 3,125/10,000 .
To simplify that thing, divide numerator and denominator by 625 !
In simplest form, it's 5/16 ,
and the mixed number is 4 and 5/16 .
If you want the WHOLE mixed number in the form of a[n improper]
fraction, you'd have to chop each of the 4 into 16 pieces, resulting
in 64/16 . Added to the 5/16 of the decimal part, the whole
mixed number is equivalent to 69/16 .