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The numerical expression (3)/(8) +((-5))...

The numerical expression `(3)/(8) +((-5))/(7)=(-19)/(56)` shows that

A

rational numbers are closed under addition.

B

rational numbers are not closed under addition.

C

rational numbers are closed under multiplication

D

addition of rational numbers is not commutative.

Text Solution

Verified by Experts

The correct Answer is:
A
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