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Mathematics

Grade-7

Easy

Question

Determine the value of $fraction numerator negative 6 over denominator 9 end fraction space plus space open parentheses fraction numerator negative 4 over denominator 2 end fraction close parentheses$

$\frac{9}{24}$
$- \frac{24}{9}$
$- \frac{24}{21}$
$- \frac{21}{24}$

hint Hint:

Solve using BODMASS.

The correct answer is: $negative 24 over 9$

STEP BY STEP SOLUTION
$fraction numerator negative 6 over denominator 9 end fraction space plus space open parentheses fraction numerator negative 4 over denominator 2 end fraction close parentheses O p e n i n g space b r a c k e t s space space equals space fraction numerator negative 6 over denominator 9 end fraction space minus space 4 over 2 space T a k i n g space L C M thin space o f space 9 & 2 space left parenthesis i. e space 18 right parenthesis equals space fraction numerator negative 6 space cross times space 2 space minus space 4 space cross times space 9 over denominator 18 end fraction space equals space fraction numerator negative 12 space minus space 36 over denominator 18 end fraction space equals space 48 over 18 space equals space fraction numerator negative 24 over denominator 9 end fraction$

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