Question

3. Find the HCF of the two numbers.
a. 12 and 8
b. 18 and 42​

Answer 1

Answer:

HCF of 12 and 8 is 4

HCF of 18 and 42 is 6

Step-by-step explanation:

12 and 8

12 = 2 x 2 x 3

8 = 2 x 2 x 2

HCF = 2 x 2 = 4 (4 is common in both)

18 and 42

18 = 2 x 3 x 3

42 = 2 x 3 x 7

HCF = 2 x 3 = 6 (6 is common in both)