Least Common Multiple, Fifth Grade Test

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This free test on www.math10.com is designed for students of fifth grade math. This test comprised of problems requiring calculation of least common multiple to two given numbers.
Problem #1
What is the LCM of 4 and 11?
Answer:
Problem #2
What is the LCM of 4 and 6?
Answer:
Problem #3
What is the LCM of 2 and 8?
Answer:
Problem #4
What is the LCM of 12 and 8?
Answer:
Problem #5
What is the LCM of 8 and 10?
Answer:
Problem #6
What is the LCM of 12 and 9?
Answer:
Problem #7
What is the LCM of 6 and 9?
Answer:
Problem #8
What is the LCM of 8 and 14?
Answer:
Problem #9
What is the LCM of 1 and 11?
Answer:
Problem #10
What is the LCM of 14 and 10?
Answer:
Problem #11
Which of the following fractions $\frac{5}{6}, \frac{13}{18}, \frac{1}{3}$ and $\frac{8}{9}$ is the biggest?

Problem #12
$\frac{1}{10} + \frac{1}{5} =$




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