Step 1:
The first step to converting 313642.5288289 to a fraction is to re-write 313642.5288289 in the form p/q where p and q are both positive integers. To start with, 313642.5288289 can be written as simply 313642.5288289/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 313642.5288289, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 313642.5288289/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 313642.5288289/1 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 313642.5288289 as a fraction:
627285/2 / 1