Step 1:
The first step to converting 396591.97916097 to a fraction is to re-write 396591.97916097 in the form p/q where p and q are both positive integers. To start with, 396591.97916097 can be written as simply 396591.97916097/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 396591.97916097, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 396591.97916097/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 396591.97916097/1 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 396591.97916097 as a fraction:
396592/1 / 1