Step 1:
The first step to converting 215620664.22726 to a fraction is to re-write 215620664.22726 in the form p/q where p and q are both positive integers. To start with, 215620664.22726 can be written as simply 215620664.22726/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 215620664.22726, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 215620664.22726/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 215620664.22726/1 each by 100000:
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 215620664.22726 as a fraction:
215620664/1 / 1