Step 1:
The first step to converting 683111.7878502 to a fraction is to re-write 683111.7878502 in the form p/q where p and q are both positive integers. To start with, 683111.7878502 can be written as simply 683111.7878502/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 683111.7878502, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 683111.7878502/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 683111.7878502/1 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 683111.7878502 as a fraction:
683112/1 / 1