Step 1:
The first step to converting 258612400.59115 to a fraction is to re-write 258612400.59115 in the form p/q where p and q are both positive integers. To start with, 258612400.59115 can be written as simply 258612400.59115/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 258612400.59115, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 258612400.59115/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 258612400.59115/1 each by 100000:
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 258612400.59115 as a fraction:
258612400/1 / 1