Step 1:
The first step to converting 420939 to a fraction is to re-write 420939 in the form p/q where p and q are both positive integers. To start with, 420939 can be written as simply 420939/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 420939, which in this case is 0. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 420939/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 420939/1 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 420939 as a fraction:
420939/1 / 1