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8th Class Mathematics Rational Numbers Question Bank Rational Numbers

  • question_answer
    How is \[\frac{-28}{84}\] expressed as a rational number with numerator 4?

    A)  \[\frac{4}{7}\]                                                  

    B)                         \[-\frac{4}{12}\]                              

    C)                         \[\frac{4}{12}\]                               

    D)                         \[\frac{4}{-7}\]

    Correct Answer: B

    Solution :

    The H.C.F of 28 and 84 such that the numerator is 4 is 7. So, simplify \[-\frac{28}{84}\] dividing its numerator and denominator by 7, to get \[\frac{-4}{12}\].


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