Step 1:
The first step to converting 39683.721660242 to a fraction is to re-write 39683.721660242 in the form p/q where p and q are both positive integers. To start with, 39683.721660242 can be written as simply 39683.721660242/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 39683.721660242, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 39683.721660242/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 39683.721660242/1 each by 1000000000:
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 39683.721660242 as a fraction:
158735/4 / 1