Step 1:
The first step to converting 128454.84637366 to a fraction is to re-write 128454.84637366 in the form p/q where p and q are both positive integers. To start with, 128454.84637366 can be written as simply 128454.84637366/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 128454.84637366, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 128454.84637366/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 128454.84637366/1 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 128454.84637366 as a fraction:
770729/6 / 1