Step 1:
The first step to converting 38420.998392912 to a fraction is to re-write 38420.998392912 in the form p/q where p and q are both positive integers. To start with, 38420.998392912 can be written as simply 38420.998392912/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 38420.998392912, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 38420.998392912/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 38420.998392912/1 each by 1000000000:
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 38420.998392912 as a fraction:
38421/1 / 1