Step 1:
The first step to converting 66531.916897464 to a fraction is to re-write 66531.916897464 in the form p/q where p and q are both positive integers. To start with, 66531.916897464 can be written as simply 66531.916897464/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 66531.916897464, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 66531.916897464/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 66531.916897464/1 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 66531.916897464 as a fraction:
798383/12 / 1