Step 1:
The first step to converting 9984.345148428 to a fraction is to re-write 9984.345148428 in the form p/q where p and q are both positive integers. To start with, 9984.345148428 can be written as simply 9984.345148428/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 9984.345148428, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 9984.345148428/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 9984.345148428/1 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 9984.345148428 as a fraction:
259593/26 / 1