Step 1:
The first step to converting 673470.19683564 to a fraction is to re-write 673470.19683564 in the form p/q where p and q are both positive integers. To start with, 673470.19683564 can be written as simply 673470.19683564/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 673470.19683564, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 673470.19683564/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 673470.19683564/1 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 673470.19683564 as a fraction:
673470/1 / 1