Step 1:
The first step to converting 19918136.786159 to a fraction is to re-write 19918136.786159 in the form p/q where p and q are both positive integers. To start with, 19918136.786159 can be written as simply 19918136.786159/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 19918136.786159, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 19918136.786159/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 19918136.786159/1 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 19918136.786159 as a fraction:
19918136/1 / 1