Step 1:
The first step to converting 310809.4921947 to a fraction is to re-write 310809.4921947 in the form p/q where p and q are both positive integers. To start with, 310809.4921947 can be written as simply 310809.4921947/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 310809.4921947, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 310809.4921947/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 310809.4921947/1 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 310809.4921947 as a fraction:
621619/2 / 1