Step 1:
The first step to converting 396640 to a fraction is to re-write 396640 in the form p/q where p and q are both positive integers. To start with, 396640 can be written as simply 396640/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 396640, which in this case is 0. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 396640/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 396640/1 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 396640 as a fraction:
396640/1 / 1