Step 1:
The first step to converting 424236.78517644 to a fraction is to re-write 424236.78517644 in the form p/q where p and q are both positive integers. To start with, 424236.78517644 can be written as simply 424236.78517644/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 424236.78517644, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 424236.78517644/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 424236.78517644/1 each by 100000000:
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 424236.78517644 as a fraction:
424237/1 / 1