Question

The H.C.F. of 21/20 and 7/50​

Answer 1

Ans = 7/100 as HCF of 21 and 7 = 7 and LCM of 20 and 50 = 100
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Answer 2

Answer:

$\frac{7}{100}$ is the HCF of  $\frac{21}{20}$ and $\frac{7}{50}$.

Step-by-step explanation:

Explanation:

Given that, two fractions $\frac{21}{20}$ and $\frac{7}{50}$.

HCF - The largest number that divides each of the two or more numbers is the highest common factor. The Greatest Common Measure (GCM) and Greatest Common Divisor are further names for HCF.

HCF of fraction number = $\frac{HCF \ of \ numerator }{LCM of \ denominator}$

Step 1:

Two fractions $\frac{21}{20}$ and $\frac{7}{50}$.

Factor of 21 = 3 × 7

Factor of 20 = 2  × 2 × 5

Factor of 50 = 2 × 5 ×5

Now, the HCF of 21 and 7 is 7 and the LCM of 20 and 50 is 100.

HCF of fraction number = $\frac{HCF \ of \ numerator }{LCM of \ denominator}$

⇒ HCF of  $\frac{21}{20}$ and $\frac{7}{50}$ = $\frac{7}{100}$

Final answer:

Hence, $\frac{7}{100}$ is the HCF of  $\frac{21}{20}$ and $\frac{7}{50}$.

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