1. Find HCF of decimal numbers 5.6,7

Solution:
The given numbers are 5.6,7.
Here maximum decimal palce is 1.
To convert each nubmer into without decimal places, we have to multiply each number by 10.

So Without decimal places, these numbers are 56,70

HCF of 56,70 is 14
and LCM of 56,70 is 280

`:.` HCF of 5.6,7 is 1.4

and LCM of 5.6,7 is 28

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2. Find HCF of decimal numbers 1.8,5.4

Solution:
The given numbers are 1.8,5.4.
Here maximum decimal palce is 1.
To convert each nubmer into without decimal places, we have to multiply each number by 10.

So Without decimal places, these numbers are 18,54

HCF of 18,54 is 18
and LCM of 18,54 is 54

`:.` HCF of 1.8,5.4 is 1.8

and LCM of 1.8,5.4 is 5.4

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3. Find HCF of decimal numbers 1.75,5.6,7

Solution:
The given numbers are 1.75,5.6,7.
Here maximum decimal palce is 2.
To convert each nubmer into without decimal places, we have to multiply each number by 100.

So Without decimal places, these numbers are 175,560,700

HCF of 175,560,700 is 35
and LCM of 175,560,700 is 2800

`:.` HCF of 1.75,5.6,7 is 0.35

and LCM of 1.75,5.6,7 is 28

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4. Find HCF of decimal numbers 0.54,1.8,7.2

Solution:
The given numbers are 0.54,1.8,7.2.
Here maximum decimal palce is 2.
To convert each nubmer into without decimal places, we have to multiply each number by 100.

So Without decimal places, these numbers are 54,180,720

HCF of 54,180,720 is 18
and LCM of 54,180,720 is 2160

`:.` HCF of 0.54,1.8,7.2 is 0.18

and LCM of 0.54,1.8,7.2 is 21.6

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