Step 1:
The first step to converting 389490 to a fraction is to re-write 389490 in the form p/q where p and q are both positive integers. To start with, 389490 can be written as simply 389490/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 389490, which in this case is 0. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 389490/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 389490/1 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 389490 as a fraction:
389490/1 / 1