*Being an irrational number, <math> \pi </math> cannot be expressed exactly as a ratio of any two integers, but we can express as the fraction 22/7 is approximate to the <math> \pi </math> value, also no fraction can be its exact value. | *Being an irrational number, <math> \pi </math> cannot be expressed exactly as a ratio of any two integers, but we can express as the fraction 22/7 is approximate to the <math> \pi </math> value, also no fraction can be its exact value. |