Step 1:
The first step to converting 480190.9151254 to a fraction is to re-write 480190.9151254 in the form p/q where p and q are both positive integers. To start with, 480190.9151254 can be written as simply 480190.9151254/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 480190.9151254, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 480190.9151254/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 480190.9151254/1 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 480190.9151254 as a fraction:
480191/1 / 1