Step 1:
The first step to converting 418999.63036864 to a fraction is to re-write 418999.63036864 in the form p/q where p and q are both positive integers. To start with, 418999.63036864 can be written as simply 418999.63036864/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 418999.63036864, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 418999.63036864/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 418999.63036864/1 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 418999.63036864 as a fraction:
419000/1 / 1