Step 1:
The first step to converting 578877.9700858 to a fraction is to re-write 578877.9700858 in the form p/q where p and q are both positive integers. To start with, 578877.9700858 can be written as simply 578877.9700858/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 578877.9700858, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 578877.9700858/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 578877.9700858/1 each by 10000000:
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 578877.9700858 as a fraction:
578878/1 / 1