Question

Natural numbers are not closed under subtraction. Given an example

Answer 1

The natural numbers are "closed" under addition and multiplication. A set is closed (under an operation) if and only if the operation on any two elements of the set produces another element of the same set. ... The subtraction of two natural numbers does NOT necessarily create another natural number (3 - 10 = -7).

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Answer 2

Answer:

1-2=-1

Step-by-step explanation:

-1 is not a natural number

Therefore, Natural numbers are not closed under subtraction.