Step 1:
The first step to converting 86149.579840299 to a fraction is to re-write 86149.579840299 in the form p/q where p and q are both positive integers. To start with, 86149.579840299 can be written as simply 86149.579840299/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 86149.579840299, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 86149.579840299/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 86149.579840299/1 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 86149.579840299 as a fraction:
172299/2 / 1