Step 1:
The first step to converting 86881.742992896 to a fraction is to re-write 86881.742992896 in the form p/q where p and q are both positive integers. To start with, 86881.742992896 can be written as simply 86881.742992896/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 86881.742992896, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 86881.742992896/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 86881.742992896/1 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 86881.742992896 as a fraction:
260645/3 / 1