Step 1:
The first step to converting 18410.479900432 to a fraction is to re-write 18410.479900432 in the form p/q where p and q are both positive integers. To start with, 18410.479900432 can be written as simply 18410.479900432/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 18410.479900432, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 18410.479900432/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 18410.479900432/1 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 18410.479900432 as a fraction:
423441/23 / 1