Step 1:
The first step to converting 81721551.003884 to a fraction is to re-write 81721551.003884 in the form p/q where p and q are both positive integers. To start with, 81721551.003884 can be written as simply 81721551.003884/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 81721551.003884, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 81721551.003884/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 81721551.003884/1 each by 1000000:
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 81721551.003884 as a fraction:
81721551/1 / 1