Step 1:
The first step to converting 66409662.960564 to a fraction is to re-write 66409662.960564 in the form p/q where p and q are both positive integers. To start with, 66409662.960564 can be written as simply 66409662.960564/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 66409662.960564, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 66409662.960564/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 66409662.960564/1 each by 1000000:
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 66409662.960564 as a fraction:
66409662/1 / 1