Step 1:
The first step to converting 28391.239687509 to a fraction is to re-write 28391.239687509 in the form p/q where p and q are both positive integers. To start with, 28391.239687509 can be written as simply 28391.239687509/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 28391.239687509, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 28391.239687509/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 28391.239687509/1 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 28391.239687509 as a fraction:
113565/4 / 1