Step 1:
The first step to converting 19109949.890396 to a fraction is to re-write 19109949.890396 in the form p/q where p and q are both positive integers. To start with, 19109949.890396 can be written as simply 19109949.890396/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 19109949.890396, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 19109949.890396/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 19109949.890396/1 each by 1000000:
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 19109949.890396 as a fraction:
19109949/1 / 1