Step 1:
The first step to converting 508490 to a fraction is to re-write 508490 in the form p/q where p and q are both positive integers. To start with, 508490 can be written as simply 508490/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 508490, which in this case is 0. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 508490/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 508490/1 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 508490 as a fraction:
508490/1 / 1