Step 1:
The first step to converting 120793721.72742 to a fraction is to re-write 120793721.72742 in the form p/q where p and q are both positive integers. To start with, 120793721.72742 can be written as simply 120793721.72742/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 120793721.72742, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 120793721.72742/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 120793721.72742/1 each by 100000:
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 120793721.72742 as a fraction:
120793721/1 / 1