Step 1:
The first step to converting 86542.396513608 to a fraction is to re-write 86542.396513608 in the form p/q where p and q are both positive integers. To start with, 86542.396513608 can be written as simply 86542.396513608/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 86542.396513608, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 86542.396513608/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 86542.396513608/1 each by 1000000000:
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 86542.396513608 as a fraction:
259627/3 / 1