Maharashtra State BoardSSC (English Medium) 7th Standard
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Additive Inverse of Rational Number

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notes

Additive Inverse of Rational Number:

`(- 4)/7 + 4/7 = (- 4  +  4)/7 = 0`.

Also, `4/7 + ((- 4)/7) = 0`.

Similarly, `(- 2)/3 + 2/3 = 0 = 2/3 + ((- 2)/3)`.

In the case of integers, we call – 2 as the additive inverse of 2 and 2 as the additive inverse of – 2.

For rational numbers also, we call `(−4)/7` as the additive inverse of `4/7 "and" 4/7` as the additive inverse of `(−4)/7`.

Similarly, `(−2)/3 "is the additive inverse of" 2/3 and 2/3 "is the additive inverse of" (−2)/3`.

Example

What will be the additive inverse of `(-3)/9`?

`(-3)/9 "as the additive inverse of" 3/9`

Example

What will be the additive inverse of `(- 9)/11`?

`(- 9)/11 "as the additive inverse of" 9/11`.

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