Step 1:
The first step to converting 509889 to a fraction is to re-write 509889 in the form p/q where p and q are both positive integers. To start with, 509889 can be written as simply 509889/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 509889, which in this case is 0. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 509889/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 509889/1 each by 1:
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 509889 as a fraction:
509889/1 / 1