Step 1:
The first step to converting 8203.9870465509 to a fraction is to re-write 8203.9870465509 in the form p/q where p and q are both positive integers. To start with, 8203.9870465509 can be written as simply 8203.9870465509/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 8203.9870465509, which in this case is 10. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 8203.9870465509/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 8203.9870465509/1 each by 10000000000:
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 8203.9870465509 as a fraction:
631707/77 / 1