Step 1:
The first step to converting 818913928.8636 to a fraction is to re-write 818913928.8636 in the form p/q where p and q are both positive integers. To start with, 818913928.8636 can be written as simply 818913928.8636/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 818913928.8636, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 818913928.8636/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 818913928.8636/1 each by 10000:
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 818913928.8636 as a fraction:
818913928/1 / 1