Step 1:
The first step to converting 166745.8126191 to a fraction is to re-write 166745.8126191 in the form p/q where p and q are both positive integers. To start with, 166745.8126191 can be written as simply 166745.8126191/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 166745.8126191, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 166745.8126191/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 166745.8126191/1 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 166745.8126191 as a fraction:
833729/5 / 1