Step 1:
The first step to converting 12815661.989746 to a fraction is to re-write 12815661.989746 in the form p/q where p and q are both positive integers. To start with, 12815661.989746 can be written as simply 12815661.989746/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 12815661.989746, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 12815661.989746/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 12815661.989746/1 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 12815661.989746 as a fraction:
12815661/1 / 1