Step 1:
The first step to converting 603591.0641004 to a fraction is to re-write 603591.0641004 in the form p/q where p and q are both positive integers. To start with, 603591.0641004 can be written as simply 603591.0641004/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 603591.0641004, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 603591.0641004/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 603591.0641004/1 each by 10000000:
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 603591.0641004 as a fraction:
603591/1 / 1