Step 1:
The first step to converting 673800.79453473 to a fraction is to re-write 673800.79453473 in the form p/q where p and q are both positive integers. To start with, 673800.79453473 can be written as simply 673800.79453473/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 673800.79453473, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 673800.79453473/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 673800.79453473/1 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 673800.79453473 as a fraction:
673801/1 / 1