Step 1:
The first step to converting 71458.564581016 to a fraction is to re-write 71458.564581016 in the form p/q where p and q are both positive integers. To start with, 71458.564581016 can be written as simply 71458.564581016/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 71458.564581016, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 71458.564581016/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 71458.564581016/1 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 71458.564581016 as a fraction:
142917/2 / 1