Web simplifying fraction 12/25 using gcf. 12.25 as a simplified fraction 49/4 = 12 1/4 to convert 12.25 to fraction, follow these steps: In the fraction 1/5, 1 is only divisible by. Web see answer (1) best answer copy 12 over 25 in simplest form is 12 over 25. In math, simplification, or simplify, refers to the process of rewriting an expression in a simpler or easier to understand form, while still maintaining the same.