Step 1:
The first step to converting 398855.04868629 to a fraction is to re-write 398855.04868629 in the form p/q where p and q are both positive integers. To start with, 398855.04868629 can be written as simply 398855.04868629/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 398855.04868629, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 398855.04868629/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 398855.04868629/1 each by 100000000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 398855.04868629 as a fraction:
398855/1 / 1