Step 1:
The first step to converting 23090.420000068 to a fraction is to re-write 23090.420000068 in the form p/q where p and q are both positive integers. To start with, 23090.420000068 can be written as simply 23090.420000068/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 23090.420000068, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 23090.420000068/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 23090.420000068/1 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 23090.420000068 as a fraction:
115452/5 / 1