Answer:

18/5

Explanation:

the additive inverse of -11/5 is 11/5.

Also, the multiplicative inverse of any number is its reciprocal. therefore, the multiplicative inverse of 5/7 is 7/5.

:. 11/5 +7/5 = 11+7/5 = 18/5

Therefore the sum of the given numbers is 18/5.

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