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.
Answers
Answered by
35
Answer:
Option (a) is correct
rational numbers are closed under addition.
Step-by-step explanation:
Given : expression
Solving the left side of given expression
we get,
LCM (7, 8) = 56
Simplify , we get
Which is same as left side
Also sum of two rational number is again a rational number
Thus, rational numbers are closed under addition.
Option (a) is correct
Answered by
5
Answer:
Option (a) rational numbers are closed under addition. is correct
Step-by-step explanation:
Given: expression
Solving the left side of the given expression we get,
LCM (7, 8) = 56
After simplifying, we get
Which is the same as L.H.S
Also, the sum of two rational number is also a rational number
Thus, rational numbers are closed under addition.
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