LCM, GCF, Equivalent Fractions, and Simplifying

When finding the common denominator you use the...

• GCF (Greatest Common Factor)

• LCM (Least Common Multiple)

When simplifying fractions you use the...

• GCF (Greatest Common Factor)

• LCM (Least Common Multiple)

What is the least common multiple (LCM) of 4 and 10?

• 4
• 40
• 15
• 20

Tags

CCSS.4.OA.B.4

What is the LCM of 4 and 12? 

• 4
• 8
• 12
• 16

Tags

CCSS.6.NS.B.4

What is the LCM of 7 and 8? 

• 7
• 8
• 42
• 56

Tags

CCSS.4.OA.B.4

Ap- What is the LCM of 2, 4, 6?

• 6
• 12
• 4
• 2

Tags

CCSS.4.OA.B.4

What are the factors of 25?

• 1, 2, 3, 5, 10, 15, 25
• 1, 5,  25
• 1, 25
• 1, 5

Tags

CCSS.4.OA.B.4

What are the factors of 18?

• 1, 2, 9, 18

• 1, 19

• 1, 2, 3, 6 9, 18

• 1, 2, 3, 5, 9, 18

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

Tags

CCSS.4.OA.B.4

GCF of 12 and 18

• 3
• 4
• 6
• 2

Tags

CCSS.6.NS.B.4