Step 1:
The first step to converting 420820 to a fraction is to re-write 420820 in the form p/q where p and q are both positive integers. To start with, 420820 can be written as simply 420820/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 420820, which in this case is 0. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 420820/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 420820/1 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 420820 as a fraction:
420820/1 / 1