Step 1:
The first step to converting 645097.48627508 to a fraction is to re-write 645097.48627508 in the form p/q where p and q are both positive integers. To start with, 645097.48627508 can be written as simply 645097.48627508/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 645097.48627508, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 645097.48627508/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 645097.48627508/1 each by 100000000:
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 645097.48627508 as a fraction:
645097/1 / 1