Step 1:
The first step to converting 658599.5203707 to a fraction is to re-write 658599.5203707 in the form p/q where p and q are both positive integers. To start with, 658599.5203707 can be written as simply 658599.5203707/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 658599.5203707, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 658599.5203707/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 658599.5203707/1 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 658599.5203707 as a fraction:
658599/1 / 1