Question

FIND the HCF of
a.55 & 66
b.42 & 56
c.90 & 105​

Answer 1

Answer:

1. 11
2. 14
3. 15

Step-by-step explanation:

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Answer 2

Answer:

a. 55= 11×5

66= 11×6

Common Multiple is 11.

Then, HCF = 11

b. 42= 14×3

56 = 14×4

Common Multiple is 14.

Then, HCF = 14.

c. 90= 15× 6

105= 15×7

Common Multiple is 15.

Then, HCF = 15