Step 1:
The first step to converting 117997.478009 to a fraction is to re-write 117997.478009 in the form p/q where p and q are both positive integers. To start with, 117997.478009 can be written as simply 117997.478009/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 117997.478009, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 117997.478009/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 117997.478009/1 each by 1000000:
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 117997.478009 as a fraction:
235995/2 / 1