Step 1:
The first step to converting 86424.693558215 to a fraction is to re-write 86424.693558215 in the form p/q where p and q are both positive integers. To start with, 86424.693558215 can be written as simply 86424.693558215/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 86424.693558215, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 86424.693558215/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 86424.693558215/1 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 86424.693558215 as a fraction:
259274/3 / 1