Online Shiksha

By Savita S. More

Worksheet on LCM

Worksheet on LCM

 

Instructions: Solve the following Q’s related to finding the Least Common Multiple (LCM) of numbers.Practice solving the questions provided in the worksheet on finding the Least Common Multiple (LCM) by utilizing three different methods: listing their multiples, using common prime factors, and employing the division method.

 

Q 1: Find the LCM of 12 and 18.

Q 2: Determine the LCM of 8 and 15.

Q 3: Calculate the LCM of 24 and 36.

Q 4: What is the LCM of 5, 6, and 10?

Q 5: Find the LCM of 9, 12, and 20.

Q 6: Determine the LCM of 14, 21, and 35.

Q 7: Calculate the LCM of 16, 24, and 32.

Q 8: What is the LCM of 3, 7, and 9?

Q 9: Find the LCM of 18, 27, and 45.

Q 10: Determine the LCM of 22, 33, and 44.

Q 11: Calculate the LCM of 25, 50, and 75.

Q 12: What is the LCM of 6, 8, 12, and 15?

Q 13: Find the LCM of 10, 14, 20, and 28.

Q 14: Determine the LCM of 30, 42, and 56.

Q 15: Calculate the LCM of 36, 48, and 54.

Q 16: What is the LCM of 7, 11, 14, and 21?

Q 17: Find the LCM of 16, 27, 36, and 48.

Q 18: Determine the LCM of 25, 35, 50, and 75.

Q 19: Calculate the LCM of 9, 16, 25, and 36.

Q 20: What is the LCM of 12, 15, 18, 24, and 30?

Answers:

LCM(12, 18) = 36
LCM(8, 15) = 120
LCM(24, 36) = 72
LCM(5, 6, 10) = 30
LCM(9, 12, 20) = 180
LCM(14, 21, 35) = 210
LCM(16, 24, 32) = 96
LCM(3, 7, 9) = 63
LCM(18, 27, 45) = 270
LCM(22, 33, 44) = 1320
LCM(25, 50, 75) = 150
LCM(6, 8, 12, 15) = 120
LCM(10, 14, 20, 28) = 140
LCM(30, 42, 56) = 840
LCM(36, 48, 54) = 432
LCM(7, 11, 14, 21) = 154
LCM(16, 27, 36, 48) = 432
LCM(25, 35, 50, 75) = 1050
LCM(9, 16, 25, 36) = 1800
LCM(12, 15, 18, 24, 30) = 360

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