Step 1:
The first step to converting 66310.387084932 to a fraction is to re-write 66310.387084932 in the form p/q where p and q are both positive integers. To start with, 66310.387084932 can be written as simply 66310.387084932/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 66310.387084932, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 66310.387084932/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 66310.387084932/1 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 66310.387084932 as a fraction:
198931/3 / 1