Step 1:
The first step to converting 79891.4156 to a fraction is to re-write 79891.4156 in the form p/q where p and q are both positive integers. To start with, 79891.4156 can be written as simply 79891.4156/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 79891.4156, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 79891.4156/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 79891.4156/1 each by 10000:
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 79891.4156 as a fraction:
399457/5 / 1