Addition of Integers


 
 
Concept Explanation
 

Addition of Integers

Two positive integers always yields a positive sum; adding two negative integers always yields a negative sum. To find the sum of a positive and a negative integer, take the absolute value of each integer and then subtract these values.

Integer Addition

Example: Add +6, +4

Solution: +6+4 = +10. Two positive integers always yields a positive sum.

Example: Add -4, -4

Solution: -4 + (-4) = -4 - 4 = -8. Adding two negative integers always yields a negative sum.

Example: Add +10, -4

Solution: +10 + (-4)  = +10 - 4 = +6 . To find the sum of a positive and a negative integer, take the absolute value of each integer and then subtract these values.

Example: Mehak gives her friend Jenny Rs 135 and then she given Rs 100 to Rahul. Find total money given by Mehak.

Solution: Total Money given by Mehak = 135 + 100 Rs =  Rs 235.

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Sample Questions
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Question : 1

Add - 4 and - 6

Right Option : C
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Question : 2

The sum of two integers is 345. If one of them is - 239, then the other is................ .

Right Option : A
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Question : 3

Add   ( - 4 ) and ( - 3 )

Right Option : B
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