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Basic Operations Exercises

Example 1

Find the LCM of 25 and 15.

Hint

The first four multiples of 25 are 25, 50, 75, and 100.

Example 2

Find the GCF of 84 and 126.

Hint

The factors of 84 are , , , , , and .

Example 3

Find the LCM of 30, 45, and 60.

Hint

The first six multiples of 30 are 30, 60, 90, 120, 150, 180.

Example 4

Find the GCF of 48, 24, and 60.

Hint

The factors of 48 are , , , and .

Basic Operations Exercises

Example 1

Example 2

Example 3

Example 4

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