Step 1:
The first step to converting 685887.2073404 to a fraction is to re-write 685887.2073404 in the form p/q where p and q are both positive integers. To start with, 685887.2073404 can be written as simply 685887.2073404/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 685887.2073404, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 685887.2073404/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 685887.2073404/1 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 685887.2073404 as a fraction:
685887/1 / 1