Step 1:
The first step to converting 166206.6629725 to a fraction is to re-write 166206.6629725 in the form p/q where p and q are both positive integers. To start with, 166206.6629725 can be written as simply 166206.6629725/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 166206.6629725, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 166206.6629725/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 166206.6629725/1 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 166206.6629725 as a fraction:
332413/2 / 1