Step 1:
The first step to converting 47679.754299421 to a fraction is to re-write 47679.754299421 in the form p/q where p and q are both positive integers. To start with, 47679.754299421 can be written as simply 47679.754299421/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 47679.754299421, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 47679.754299421/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 47679.754299421/1 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 47679.754299421 as a fraction:
190719/4 / 1