Step 1:
The first step to converting 79801.439996721 to a fraction is to re-write 79801.439996721 in the form p/q where p and q are both positive integers. To start with, 79801.439996721 can be written as simply 79801.439996721/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 79801.439996721, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 79801.439996721/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 79801.439996721/1 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 79801.439996721 as a fraction:
159603/2 / 1