LCM, LCD and Adding unlike fractions

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

Tags

CCSS.4.NF.A.1

CCSS.4.NF.A.2

CCSS.4.NF.C.5

Fill in the Blank: Least _______ ________

• Common Multilpier
• Common Multiple
• Common Factor

Tags

CCSS.4.OA.B.4

What is the LCM?

• The LCM is the least common factor that both numbers share the least. 
• The LCM is a multiple that both numbers share the most.  
• The LCM is a multiple that both numbers share the least. 
• The LCM is a factor that both numbers share the least. 

Tags

CCSS.6.NS.B.4

What is the LCM for 3 and 9?

• 3
• 9
• 27
• 18

Tags

CCSS.4.OA.B.4

What is the LCM for 4 and 7?

• 4
• 7
• 14
• 28

Tags

CCSS.6.NS.B.4

What is the LCM for 5 and 8?

• 5
• 8
• 20
• 40

Tags

CCSS.6.NS.B.4

What is the LCM for 6 and 8?

• 6
• 8
• 24
• 48

Tags

CCSS.4.OA.B.4

What is the LCM for 3 and 9?

• 3
• 9
• 12
• 27

Tags

CCSS.4.OA.B.4

What is the LCM of 6 and 7?

• 6
• 7
• 42
• 36

Tags

CCSS.6.NS.B.4

What is the LCM of 5 and 10

• 5
• 10
• 50
• 100

Tags

CCSS.4.OA.B.4