Step 1:
The first step to converting 2.1818181818182E 15 to a fraction is to re-write 2.1818181818182E 15 in the form p/q where p and q are both positive integers. To start with, 2.1818181818182E 15 can be written as simply 2.1818181818182E 15/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 2.1818181818182E 15, which in this case is 17. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 2.1818181818182E 15/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 2.1818181818182E 15/1 each by 100000000000000000:
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 2.1818181818182E 15 as a fraction:
24/11 / 1