Step 1:
The first step to converting 18693.171839561 to a fraction is to re-write 18693.171839561 in the form p/q where p and q are both positive integers. To start with, 18693.171839561 can be written as simply 18693.171839561/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 18693.171839561, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 18693.171839561/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 18693.171839561/1 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 18693.171839561 as a fraction:
112159/6 / 1