Step 1:
The first step to converting 722605.72108728 to a fraction is to re-write 722605.72108728 in the form p/q where p and q are both positive integers. To start with, 722605.72108728 can be written as simply 722605.72108728/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 722605.72108728, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 722605.72108728/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 722605.72108728/1 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 722605.72108728 as a fraction:
722605/1 / 1