Step 1:
The first step to converting 129078.31762669 to a fraction is to re-write 129078.31762669 in the form p/q where p and q are both positive integers. To start with, 129078.31762669 can be written as simply 129078.31762669/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 129078.31762669, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 129078.31762669/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 129078.31762669/1 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 129078.31762669 as a fraction:
387235/3 / 1