Step 1:
The first step to converting 714.99640421167 to a fraction is to re-write 714.99640421167 in the form p/q where p and q are both positive integers. To start with, 714.99640421167 can be written as simply 714.99640421167/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 714.99640421167, which in this case is 11. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 714.99640421167/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 714.99640421167/1 each by 100000000000:
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 714.99640421167 as a fraction:
198769/278 / 1