Step 1:
The first step to converting 66208.563509706 to a fraction is to re-write 66208.563509706 in the form p/q where p and q are both positive integers. To start with, 66208.563509706 can be written as simply 66208.563509706/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 66208.563509706, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 66208.563509706/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 66208.563509706/1 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 66208.563509706 as a fraction:
132417/2 / 1