Step 1:
The first step to converting 479580.2161816 to a fraction is to re-write 479580.2161816 in the form p/q where p and q are both positive integers. To start with, 479580.2161816 can be written as simply 479580.2161816/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 479580.2161816, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 479580.2161816/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 479580.2161816/1 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 479580.2161816 as a fraction:
479580/1 / 1