Question

Rational numbers are closed under addition because​

Answer 1

Answer:

So, adding two rationals is the same as adding two such fractions, which will result in another fraction of this same form since integers are closed under addition and multiplication. Thus, adding two rational numbers produces another rational number. Rationals are closed under addition (subtraction).

Answer 2

Answer:

Rational numbers are closed under addition because

ADDING ONE RATIONAL NUMBER TO THE OTHER WILL GIVE THE IN A RATIONAL NUMBER ONLY