Fill in the Blanks Fill in the Blanks: Understanding Rational NumbersOnline version Test your knowledge of rational numbers with this engaging fill-in-the-blanks game! by Paradiso Indra 1 operations fraction negative performing Rational common denominator expressed class terminating line zero repeating numbers integers positive quotient decimal are numbers that can be as the or of two , where the is not . For example , 1 / 2 , - 3 / 4 , and 5 are all rational numbers . The set of rational numbers includes numbers , numbers , and zero . Rational numbers can be represented on a number , and they can be added , subtracted , multiplied , and divided . When with rational numbers , it is important to have a denominator for addition and subtraction . Rational numbers can also be converted into form , which can be either or . Understanding rational numbers is essential for solving problems in mathematics and real - life situations . Students in 7 learn to identify , compare , and perform operations with rational numbers , which lays the foundation for more advanced mathematical concepts in the future .