I am not sure I fully understand the question, but I doubt that it would be considered a formula.
It cant be simplified
-122 +18x cant be simplified
you cant its impossible
You cant 128 is in simplified form
i cant can you
u cant simplify that
It cant be further devised.
119 isnt divisible by any number besides itself and 1. it cant be simplified.
yes it can because 2 can go into it so it is now 9 over 20 and it cant be simplified
59/100 - it cant get simplified any further.
1/10 cant be simplified further.
237/100 it cant be simplified and still kept a fraction