Step 1:
The first step to converting 8434.390894242 to a fraction is to re-write 8434.390894242 in the form p/q where p and q are both positive integers. To start with, 8434.390894242 can be written as simply 8434.390894242/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 8434.390894242, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 8434.390894242/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 8434.390894242/1 each by 1000000000:
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 8434.390894242 as a fraction:
151819/18 / 1