Step 1:
The first step to converting 22620398851.805 to a fraction is to re-write 22620398851.805 in the form p/q where p and q are both positive integers. To start with, 22620398851.805 can be written as simply 22620398851.805/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 22620398851.805, which in this case is 3. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 22620398851.805/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 22620398851.805/1 each by 1000:
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 22620398851.805 as a fraction:
22620398851/1 / 1