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### MEAP Preparation - Grade 7 Mathematics1.28 Additive Inverse and Additive Identity in Rational Numbers

 Additive Identity: For any rational number a/b where b is not equal to zero, 0+a/b = a/b+0 = a/b. Therefore, zero is the identity element for addition in rational number. Example: 0+7/9 + 7/9+0 = 7/9 Additive Inverse: For any non-zero rational number a/b, there exists a unique rational number -a/b such that a/b + (-a/b) = 0. a/b and -a/b are additive inverses. Each one is called the additive inverse of the other. Example: 2/3 + (-2/3) = (2-2)/3 = 0/3 = 0 Directions: Answer the following questions. Also write at least 10 examples of your own.
 Q 1: 0 + 8/9 = 8/9 + 0 = 8/9, in this statement zero is called _________?additive inverseadditive identity Q 2: What is the additive inverse of -7/8 ?Answer: Q 3: What is the additive inverse of 381/256 ?Answer: Q 4: What is the additive inverse of 5/7?Answer: Q 5: What is the additive inverse of 10/25 ?Answer: Q 6: What is the additive inverse of 3762/281 ?Answer: Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!

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