Question

2. Isit rational numbers closed under subtraction? Explain with one example.​

Answer 1

Answer:

Yes rational numbers are closed under subtraction.

Step-by-step explanation:

If a rational number is subtracted by a rational number, the answer will always be a rational number.

Hence rational numbers are closed under subtraction

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Answer 2

Answer:

Rational numbers are closed under the operation of subtraction.

Step-by-step explanation:

The results of addition, subtraction, and multiplication operations on two rational numbers, say x and y, yield a rational number. We can say that rational numbers are closed when added, subtracted, or multiplied.

Example :

Here, $3$ and $2$ are both rational numbers; when we subtract them, we get $1$, which is also a rational number.

When two rational numbers are subtracted, the resultant number is also rational, implying that rational numbers are closed under subtraction.