Step 1:
The first step to converting 168195891.36219 to a fraction is to re-write 168195891.36219 in the form p/q where p and q are both positive integers. To start with, 168195891.36219 can be written as simply 168195891.36219/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 168195891.36219, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 168195891.36219/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 168195891.36219/1 each by 100000:
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 168195891.36219 as a fraction:
168195891/1 / 1