Step 1:
The first step to converting 128772.2200003 to a fraction is to re-write 128772.2200003 in the form p/q where p and q are both positive integers. To start with, 128772.2200003 can be written as simply 128772.2200003/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 128772.2200003, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 128772.2200003/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 128772.2200003/1 each by 10000000:
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 128772.2200003 as a fraction:
515089/4 / 1