Step 1:
The first step to converting 31079.851363809 to a fraction is to re-write 31079.851363809 in the form p/q where p and q are both positive integers. To start with, 31079.851363809 can be written as simply 31079.851363809/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 31079.851363809, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 31079.851363809/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 31079.851363809/1 each by 1000000000:
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 31079.851363809 as a fraction:
186479/6 / 1