What will be the result when adding a positive integer to a negative integer?


Addition of integers means there are three possibilities. They are:

Addition between two positive numbers, 

Addition between two negative numbers and

Addition between a positive number and a negative number.

Addition of two positive integers always gives a positive integer.

$(2+3=5)$.

Addition of two negative integers always give a negative integer.

$[-2+(-3)=-(2+3)=-5]$.

To add integers with different signs, keep the sign of the number with the largest absolute value and subtract the smallest absolute value from the largest.

$[-10+8=-(10-8)=-2]$.

If the absolute value of the positive number is greater than the absolute value of the negative number then the result is positive.

For example,

$10+(-7) = 10-7 = 3$.

If the absolute value of the negative number is greater than the absolute value of the positive number then the result is negative.

For example,

$5+(-8) = -(8-5) = -3$. Here, absolute value of -8 which is 8 is greater than absolute value of 5 which is 5.


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Updated on: 10-Oct-2022

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