Step 1:
The first step to converting 169985.86490519 to a fraction is to re-write 169985.86490519 in the form p/q where p and q are both positive integers. To start with, 169985.86490519 can be written as simply 169985.86490519/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 169985.86490519, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 169985.86490519/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 169985.86490519/1 each by 100000000:
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 169985.86490519 as a fraction:
169986/1 / 1