Step 1:
The first step to converting 494243.8457495 to a fraction is to re-write 494243.8457495 in the form p/q where p and q are both positive integers. To start with, 494243.8457495 can be written as simply 494243.8457495/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 494243.8457495, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 494243.8457495/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 494243.8457495/1 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 494243.8457495 as a fraction:
494244/1 / 1