Step 1:
The first step to converting 315711.80321156 to a fraction is to re-write 315711.80321156 in the form p/q where p and q are both positive integers. To start with, 315711.80321156 can be written as simply 315711.80321156/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 315711.80321156, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 315711.80321156/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 315711.80321156/1 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 315711.80321156 as a fraction:
315712/1 / 1