Step 1:
The first step to converting 495191.9531643 to a fraction is to re-write 495191.9531643 in the form p/q where p and q are both positive integers. To start with, 495191.9531643 can be written as simply 495191.9531643/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 495191.9531643, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 495191.9531643/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 495191.9531643/1 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 495191.9531643 as a fraction:
495192/1 / 1