Step 1:
The first step to converting 86617616.485616 to a fraction is to re-write 86617616.485616 in the form p/q where p and q are both positive integers. To start with, 86617616.485616 can be written as simply 86617616.485616/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 86617616.485616, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 86617616.485616/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 86617616.485616/1 each by 1000000:
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 86617616.485616 as a fraction:
86617616/1 / 1