Step 1:
The first step to converting 220518390.88008 to a fraction is to re-write 220518390.88008 in the form p/q where p and q are both positive integers. To start with, 220518390.88008 can be written as simply 220518390.88008/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 220518390.88008, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 220518390.88008/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 220518390.88008/1 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 220518390.88008 as a fraction:
220518390/1 / 1