Step 1:
The first step to converting 86272.880587 to a fraction is to re-write 86272.880587 in the form p/q where p and q are both positive integers. To start with, 86272.880587 can be written as simply 86272.880587/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 86272.880587, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 86272.880587/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 86272.880587/1 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 86272.880587 as a fraction:
690183/8 / 1