1

Problem

What is the sum of 15 and 27? Is it the same as 27 plus 15? explain it.

2

Hint

The commutative property of addition can be expressed as:

a + b = b + a

This property holds true for all real numbers a and b.

3

Step

Add the numbers in the given order

15 + 27 = 42

4

Step

By using the commutative property of addition, Add the numbers in the reverse order

27 + 15 = 42

5

Solution

Since both expressions yield the same result of 42, we confirm that the commutative property of addition holds true for 15 and 27.

6

Sumup

Please Summarize Problem, Hint, Clue, Formula and Steps

Choices

7

Choice-A

This option is incorrect. The sum of 15 and 27 is a positive number, not a negative one. So, Option A is not the correct step

Wrong -24

8

Choice-B

This option is incorrect. The sum of 15 and 27 is a positive number, not a negative one. So, Option B is not the correct step

Wrong -42

9

Choice-C

This option is incorrect. The sum of 15 and 27 is 42, not 24. So, Option C is not the correct step

Wrong 24

10

Choice-D

This option is correct. The sum of 15 and 27 is indeed 42. Additionally, it correctly recognizes that changing the order of addition does not change the result, as addition is commutative

Correct 42

11

Answer

option

D

12

Sumup

Please Summarize Choices