Step 1:
The first step to converting 13608572.403511 to a fraction is to re-write 13608572.403511 in the form p/q where p and q are both positive integers. To start with, 13608572.403511 can be written as simply 13608572.403511/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 13608572.403511, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 13608572.403511/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 13608572.403511/1 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 13608572.403511 as a fraction:
13608572/1 / 1