how to solve addition and substraction of integers of 3 digit and 2 digit
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I will explain you with example
Addition:
(-287) + (+15) =
Subtract both the integers regardless of the sign and write the greater value (i.e - as -287 is greater)
= -272
Subtraction:
(-308) - (+42) =
Inverse the sign of 2nd integer (i.e -42) and follow same addition rules.
(-308) + (-42) = -50
Addition:
(-287) + (+15) =
Subtract both the integers regardless of the sign and write the greater value (i.e - as -287 is greater)
= -272
Subtraction:
(-308) - (+42) =
Inverse the sign of 2nd integer (i.e -42) and follow same addition rules.
(-308) + (-42) = -50
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