text: definition of a fraction name and mixed number name?   a fraction or rational number is of the form a/b where a is an integer and b is an integer but b can't be 0.  a mixed number is the combination of an integer and a rational number.   for example:  -2 3/4, 5 2/3, ...  an improper fraction is of the form a/b where a is greater than b.   a complex fraction is of the form: (a/b) / (c/d).