HCF of 2/3 ,4/5 and 6/7 is = ? — Problems On H.C.F And L.C.M MCQ

Aptitude · Q121

Problems On H.C.F And L.C.M

Competitive Exams · Aptitude · question 121

Q121

HCF of

\frac{2}{3}, \frac{4}{5}

and

\frac{6}{7}

is = ?

\frac{48}{105}

\frac{2}{105}

Answer

\frac{1}{105}

\frac{24}{105}

Answer: Option B

Answer: Option B

Solution:

HCF of fractional number is = (\frac{HCF of numerator}{LCM of Denominator}) ∴ HCF (\frac{2}{3}, \frac{4}{5}, \frac{6}{7}) \Rightarrow (\frac{HCF of 2,4,6}{LCM of 3,5,7}) \Rightarrow \frac{2}{3 \times 5 \times 7} \Rightarrow \frac{2}{105}