Step 1:
The first step to converting 28393.638099982 to a fraction is to re-write 28393.638099982 in the form p/q where p and q are both positive integers. To start with, 28393.638099982 can be written as simply 28393.638099982/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 28393.638099982, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 28393.638099982/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 28393.638099982/1 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 28393.638099982 as a fraction:
312330/11 / 1