Step 1:
The first step to converting 309980 to a fraction is to re-write 309980 in the form p/q where p and q are both positive integers. To start with, 309980 can be written as simply 309980/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 309980, which in this case is 0. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 309980/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 309980/1 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 309980 as a fraction:
309980/1 / 1