Question

find the lcm of:

1.9,12

2.12,16

3.16,20

4.40,32

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Answer 1

Answer:

lcm of 9,12=

3 |9,12

____

| 3,4

____

LCM=3×3×4

=36

2.lcmof 12,16=

2 | 12,16

_____

2 | 6,8

_____

2 | 3,4

_____

LCM=2×2×2×3×4

= 76

3. lcm of 16,20

2 | 16,20

_____

2 | 8,10

_____

2 | 4,5

_____

LCM=2×2×2×4×5

=120

4. lcm of 40,32

2 | 40,32

_____

2 | 20,16

_____

2 | 10,8

_____

2. | 5,4

_____

LCM =2×2×2×2×5×4

=160

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

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