Step 1:
The first step to converting 2359.858485531 to a fraction is to re-write 2359.858485531 in the form p/q where p and q are both positive integers. To start with, 2359.858485531 can be written as simply 2359.858485531/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 2359.858485531, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 2359.858485531/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 2359.858485531/1 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 2359.858485531 as a fraction:
16519/7 / 1