Step 1:
The first step to converting 686947.87808832 to a fraction is to re-write 686947.87808832 in the form p/q where p and q are both positive integers. To start with, 686947.87808832 can be written as simply 686947.87808832/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 686947.87808832, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 686947.87808832/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 686947.87808832/1 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 686947.87808832 as a fraction:
686948/1 / 1