Step 1:
The first step to converting 19918137.397408 to a fraction is to re-write 19918137.397408 in the form p/q where p and q are both positive integers. To start with, 19918137.397408 can be written as simply 19918137.397408/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 19918137.397408, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 19918137.397408/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 19918137.397408/1 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 19918137.397408 as a fraction:
19918137/1 / 1