Step 1:
The first step to converting 11931780.683609 to a fraction is to re-write 11931780.683609 in the form p/q where p and q are both positive integers. To start with, 11931780.683609 can be written as simply 11931780.683609/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 11931780.683609, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 11931780.683609/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 11931780.683609/1 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 11931780.683609 as a fraction:
11931780/1 / 1