Step 1:
The first step to converting 17605.406479312 to a fraction is to re-write 17605.406479312 in the form p/q where p and q are both positive integers. To start with, 17605.406479312 can be written as simply 17605.406479312/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 17605.406479312, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 17605.406479312/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 17605.406479312/1 each by 1000000000:
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 17605.406479312 as a fraction:
88027/5 / 1