Step 1:
The first step to converting 18625.790851607 to a fraction is to re-write 18625.790851607 in the form p/q where p and q are both positive integers. To start with, 18625.790851607 can be written as simply 18625.790851607/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 18625.790851607, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 18625.790851607/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 18625.790851607/1 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 18625.790851607 as a fraction:
93129/5 / 1