Step 1:
The first step to converting 9423.424638672 to a fraction is to re-write 9423.424638672 in the form p/q where p and q are both positive integers. To start with, 9423.424638672 can be written as simply 9423.424638672/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 9423.424638672, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 9423.424638672/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 9423.424638672/1 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 9423.424638672 as a fraction:
65964/7 / 1