Step 1:
The first step to converting 81281.70180668 to a fraction is to re-write 81281.70180668 in the form p/q where p and q are both positive integers. To start with, 81281.70180668 can be written as simply 81281.70180668/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 81281.70180668, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 81281.70180668/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 81281.70180668/1 each by 100000000:
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 81281.70180668 as a fraction:
243845/3 / 1