Step 1:
The first step to converting 158586.62809583 to a fraction is to re-write 158586.62809583 in the form p/q where p and q are both positive integers. To start with, 158586.62809583 can be written as simply 158586.62809583/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 158586.62809583, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 158586.62809583/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 158586.62809583/1 each by 100000000:
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 158586.62809583 as a fraction:
317173/2 / 1