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7th Class Mathematics Rational Numbers Question Bank Rational Numbers

  • question_answer
    What is the sum of the rational numbers \[\frac{3}{13}\] and\[\frac{-13}{33}\]?

    A)  \[\frac{39}{106}\]                                

    B)  \[\frac{-39}{106}\]        

    C)  \[\frac{70}{429}\]                    

    D)  \[-\frac{70}{429}\]

    Correct Answer: D

    Solution :

    (d) \[\frac{3}{13}+\left( \frac{-13}{33} \right)=\frac{3}{13}-\frac{13}{33}=\frac{99-169}{429}=\frac{-70}{429}\]


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