Step 1:
The first step to converting 84705.72128592 to a fraction is to re-write 84705.72128592 in the form p/q where p and q are both positive integers. To start with, 84705.72128592 can be written as simply 84705.72128592/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 84705.72128592, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 84705.72128592/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 84705.72128592/1 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 84705.72128592 as a fraction:
254117/3 / 1