Step 1:
The first step to converting 490504.75450792 to a fraction is to re-write 490504.75450792 in the form p/q where p and q are both positive integers. To start with, 490504.75450792 can be written as simply 490504.75450792/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 490504.75450792, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 490504.75450792/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 490504.75450792/1 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 490504.75450792 as a fraction:
490505/1 / 1