Step 1:
The first step to converting 509289.26385036 to a fraction is to re-write 509289.26385036 in the form p/q where p and q are both positive integers. To start with, 509289.26385036 can be written as simply 509289.26385036/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 509289.26385036, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 509289.26385036/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 509289.26385036/1 each by 100000000:
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 509289.26385036 as a fraction:
509289/1 / 1