Step 1:
The first step to converting 31207.779384912 to a fraction is to re-write 31207.779384912 in the form p/q where p and q are both positive integers. To start with, 31207.779384912 can be written as simply 31207.779384912/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 31207.779384912, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 31207.779384912/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 31207.779384912/1 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 31207.779384912 as a fraction:
124831/4 / 1