Selina solutions

Selina solutions

Grade 6

HCF and LCM | Exercise 8(C)

Question 1

Q1) Using the common multiple method, find the L.C.M. of the following :

(i) 8, 12 and 24

(ii) 10, 15 and 20

(iii) 3, 6, 9 and 12

Solution 1:

(i) 8, 12 and 24

LCM =4\times3\times2=24

(ii) 10, 15 and 20

LCM = 2\times2\times5\times3=60

(iii) 3, 6, 9 and 12

LCM = 3\times2\times3\times2=36

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subject-cta

Question 1

Q1) Using the common multiple method, find the L.C.M. of the following :

(i) 8, 12 and 24

(ii) 10, 15 and 20

(iii) 3, 6, 9 and 12

Solution 1:

(i) 8, 12 and 24

LCM =4\times3\times2=24

(ii) 10, 15 and 20

LCM = 2\times2\times5\times3=60

(iii) 3, 6, 9 and 12

LCM = 3\times2\times3\times2=36

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subject-cta
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