Step 1:
The first step to converting 64686.99916959 to a fraction is to re-write 64686.99916959 in the form p/q where p and q are both positive integers. To start with, 64686.99916959 can be written as simply 64686.99916959/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 64686.99916959, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 64686.99916959/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 64686.99916959/1 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 64686.99916959 as a fraction:
64687/1 / 1