Step 1:
The first step to converting 28127.121317457 to a fraction is to re-write 28127.121317457 in the form p/q where p and q are both positive integers. To start with, 28127.121317457 can be written as simply 28127.121317457/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 28127.121317457, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 28127.121317457/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 28127.121317457/1 each by 1000000000:
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 28127.121317457 as a fraction:
225017/8 / 1