Question

Heyy, please answer the question . The answer which is totally correct, I'll mark as brainliest for sure...​

Answer 1

Closure property

For two rational numbers say x and y the results of addition, subtraction and multiplication operations give a rational number. We can say that rational numbers are closed under addition, subtraction and multiplication. For example: (7/6)+(2/5) = 47/30.

Answer 2

Examples to show that rational numbers are closed under addition, subtraction and multiplication:

Add 1/2 + 3/2

The answer is 4/2 = 2

Multiply 2× 1/2

The answer is 1

Subtract 200- 10

The answer is 100

2, 1 and 100 are rational numbers this shows that rational numbers are closed under addition, subtraction and multiplication

No rational numbers are not closed under division.

Example:

12/0 answer is not defined

324/0 again answer is not defined

Hope it helps you!

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