Step 1:
The first step to converting 167688.5666342 to a fraction is to re-write 167688.5666342 in the form p/q where p and q are both positive integers. To start with, 167688.5666342 can be written as simply 167688.5666342/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 167688.5666342, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 167688.5666342/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 167688.5666342/1 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 167688.5666342 as a fraction:
335377/2 / 1