Step 1:
The first step to converting 22155.49216921 to a fraction is to re-write 22155.49216921 in the form p/q where p and q are both positive integers. To start with, 22155.49216921 can be written as simply 22155.49216921/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 22155.49216921, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 22155.49216921/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 22155.49216921/1 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 22155.49216921 as a fraction:
44311/2 / 1