Step 1:
The first step to converting 415172459.845 to a fraction is to re-write 415172459.845 in the form p/q where p and q are both positive integers. To start with, 415172459.845 can be written as simply 415172459.845/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 415172459.845, which in this case is 3. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 415172459.845/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 415172459.845/1 each by 1000:
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 415172459.845 as a fraction:
415172459/1 / 1