Step 1:
The first step to converting 868309613.4212 to a fraction is to re-write 868309613.4212 in the form p/q where p and q are both positive integers. To start with, 868309613.4212 can be written as simply 868309613.4212/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 868309613.4212, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 868309613.4212/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 868309613.4212/1 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 868309613.4212 as a fraction:
868309613/1 / 1