Solved Examples based on Integers

Example 1: Add two positive numbers 5 and 2. What will be the final sign?

Solution:

Given numbers: 5 and 2 

now add: 5 + 2

= 7 

If we add two positive numbers then the result will be positive number .

Example 2: Add two negative numbers 5 and 2. What will be the result?

Solution:

Given numbers: 5 and 2 

now add: -5 + (-2)

= -5 – 2 = -7 

If we add two negative numbers then the result will be negative number.

Example 3: If we add negative and positive numbers -5 and 2? What will be the result?

Solution:

Given numbers: -5 and 2 

now add: -5 + 2 = -3 

If the greater number is negative then the result will be in negative.

Example 4:  If we add negative and positive numbers 5 and -2? What will be the result?

Solution:

Given numbers: 5 and -2

now add: 5 + (-2)

= 5 – 2  = 3    

If the greater number is positive then the result will be positive.

Also, Check

• What is the rule for subtracting negative numbers? 
• Does Negative Zero Exist?
• Is Zero Positive or Negative?

Negative Plus negative is a negative number but the operation performed is summation.

For Example, -2 + (-3) = -5

Here, the result is -5 because, we have added 2 and 3 and placed negative sign. Thus negative plus negative is negative.