Step 1:
The first step to converting 18608.918005448 to a fraction is to re-write 18608.918005448 in the form p/q where p and q are both positive integers. To start with, 18608.918005448 can be written as simply 18608.918005448/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 18608.918005448, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 18608.918005448/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 18608.918005448/1 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 18608.918005448 as a fraction:
223307/12 / 1