Step 1:
The first step to converting 408013.8555419 to a fraction is to re-write 408013.8555419 in the form p/q where p and q are both positive integers. To start with, 408013.8555419 can be written as simply 408013.8555419/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 408013.8555419, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 408013.8555419/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 408013.8555419/1 each by 10000000:
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 408013.8555419 as a fraction:
408014/1 / 1