The numerical expression \(\dfrac{3}{7}+ \dfrac{(-7)}{8}=\dfrac{25}{5 – McqOptions

MCQOPTIONS

1.	The numerical expression \(\dfrac{3}{7}+ \dfrac{(-7)}{8}=\dfrac{25}{56}\) shows that -
A.	rational numbers are closed under addition
B.	rational numbers are closed under subtraction
C.	rational numbers are closed under multiplication
D.	rational numbers are closed under division
Answer» B. rational numbers are closed under subtraction

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