Step 1:
The first step to converting 418904.25011631 to a fraction is to re-write 418904.25011631 in the form p/q where p and q are both positive integers. To start with, 418904.25011631 can be written as simply 418904.25011631/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 418904.25011631, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 418904.25011631/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 418904.25011631/1 each by 100000000:
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 418904.25011631 as a fraction:
418904/1 / 1