Step 1:
The first step to converting 2699.3928396669 to a fraction is to re-write 2699.3928396669 in the form p/q where p and q are both positive integers. To start with, 2699.3928396669 can be written as simply 2699.3928396669/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 2699.3928396669, which in this case is 10. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 2699.3928396669/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 2699.3928396669/1 each by 10000000000:
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 2699.3928396669 as a fraction:
62086/23 / 1