Step 1:
The first step to converting 55640.493008686 to a fraction is to re-write 55640.493008686 in the form p/q where p and q are both positive integers. To start with, 55640.493008686 can be written as simply 55640.493008686/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 55640.493008686, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 55640.493008686/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 55640.493008686/1 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 55640.493008686 as a fraction:
111281/2 / 1