Step 1:
The first step to converting 409349.99491385 to a fraction is to re-write 409349.99491385 in the form p/q where p and q are both positive integers. To start with, 409349.99491385 can be written as simply 409349.99491385/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 409349.99491385, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 409349.99491385/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 409349.99491385/1 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 409349.99491385 as a fraction:
409350/1 / 1