Step 1:
The first step to converting 623418.9884686 to a fraction is to re-write 623418.9884686 in the form p/q where p and q are both positive integers. To start with, 623418.9884686 can be written as simply 623418.9884686/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 623418.9884686, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 623418.9884686/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 623418.9884686/1 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 623418.9884686 as a fraction:
623419/1 / 1