SSC Quantitative Aptitude LCM & HCF Question Bank LCM and HCF (I)

  • question_answer
    Find the HCF of \[\frac{4}{5}\] and \[\frac{7}{15}.\]

    A) \[\frac{1}{13}\]

    B) \[\frac{1}{5}\]

    C) \[\frac{1}{15}\]

    D) \[\frac{1}{25}\]

    Correct Answer: C

    Solution :

    [c] We know that, HCF of fractions \[=\frac{\text{HCF of numerators}}{\text{LCM of denominators}}\] \[\therefore \] Required HCF \[=\frac{\text{HCF}\,\,\text{of}\,\,\text{4}\,\,\text{and}\,\,\text{7}}{\text{LCM}\,\,\text{of}\,\,\text{5}\,\,\text{and}\,\,15}=\frac{1}{15}\]


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