Step 1:
The first step to converting 16575.745876681 to a fraction is to re-write 16575.745876681 in the form p/q where p and q are both positive integers. To start with, 16575.745876681 can be written as simply 16575.745876681/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 16575.745876681, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 16575.745876681/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 16575.745876681/1 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 16575.745876681 as a fraction:
66303/4 / 1