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Mathematics

Grade-7

Easy

Question

The sum or difference of $negative 5.5 minus open parentheses negative 3 1 half close parentheses$ is _____________.

-2.0
3.5
-4.5
-2.5

hint Hint:

In this question we can use LCM method to find the answer.

The correct answer is: -2.0

STEP BY STEP SOLUTION
$negative 5.5 space plus space 3 1 half$
Converting mixed fraction into simple fraction
$negative 5.5 space plus 7 over 2$
Taking LCM
$fraction numerator negative 11 plus 7 over denominator 2 end fraction$ = $fraction numerator negative 4 over denominator 2 end fraction equals negative 2$
The aswer of the above question is -2

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