text: 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.\n\nA mixed number is the combination of an integer and a rational number. \n\nFor example:  -2 3/4, 5 2/3, ...\n\nAn improper fraction is of the form a/b where a is greater than b.\n\n\nA complex fraction is of the form: (a/b) / (c/d).