Step 1:
The first step to converting 258200217.12854 to a fraction is to re-write 258200217.12854 in the form p/q where p and q are both positive integers. To start with, 258200217.12854 can be written as simply 258200217.12854/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 258200217.12854, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 258200217.12854/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 258200217.12854/1 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 258200217.12854 as a fraction:
258200217/1 / 1