Fractions - Least Common Denominators

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 Lowest Common Multiple (LCM) for the numbers
8 and 6?

• 2
• 3
• 24
• 14

Tags

CCSS.4.OA.B.4

What is the LCM of 3 and 4? 

• 4
• 16
• 12
• 24

Tags

CCSS.4.OA.B.4

What number could be a common denominator for these two fractions?
2/3   and   3/4

• 3
• 4
• 7
• 12

Tags

CCSS.4.NF.A.2

What number could be a common denominator for these two fractions?
1/5   and   5/6?

• 30
• 11
• 6
• 5

Tags

CCSS.4.NF.A.2

1/3 + 4/9 =

• 7/9
• 5/9
• 6/9
• 5/12

Tags

CCSS.4.NF.A.2

3/8 + 2/4 =

• 5/12
• 5/8
• 7/8
• 6/8

Tags

CCSS.4.NF.A.2

CCSS.4.NF.B.3

2/6 + 1/2 =

• 5/6
• 3/6
• 4/6
• 3/8

Tags

CCSS.4.NF.A.2