Step 1:
The first step to converting 480647639.75444 to a fraction is to re-write 480647639.75444 in the form p/q where p and q are both positive integers. To start with, 480647639.75444 can be written as simply 480647639.75444/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 480647639.75444, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 480647639.75444/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 480647639.75444/1 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 480647639.75444 as a fraction:
480647639/1 / 1