for any two rational numbers a and b, a+b=(1)b+a (2)b-a (3)b/a (4)b*a
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Step-by-step explanation:Addition of Rational Numbers
The closure property states that for any two rational numbers a and b, a + b is also a rational number. The result is a rational number. So we say that rational numbers are closed under addition. USE DEFNITION AND SOLVE THE SUM
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