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The value of $− 12 7 + 37 + − 2 7$ after evaluating is:

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− 107

− 97

− 57

− 117

answer is D.

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Detailed Solution

Given a expression

− 12 7 + 37 + − 2 7

.
Taking L.C.M of denominator and simplifying,

= − 12 7 + 37 + − 2 7 = − 12 + 3 − 2 7 = − 14 + 3 7 = − 117

The answer is

− 117

.
Hence, option 4 is correct.

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