Adding Unlike Denominators

• 1
• 3/6
• 1/2
• 2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 2/5
• 5/6
• 4/6
• 1/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 14/16
• 7/8
• 8/7
• 4/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

• 3
• 4
• 7
• 12

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

• 30
• 11
• 6
• 5

What number could be a common denominator for these two fractions?
3/10   and   1/5

• 5
• 10
• 15
• These numbers do not have a common denominator

Which of these numbers could NOT be a common denominator for these three fractions?
1/3   and 2/5   and   3/10

• 15
• 30
• 60
• 90

Which of these numbers could NOT be a common denominator for these two fractions?
1/6   and   1/4

• 12
• 18
• 24
• 36

Which of these numbers could NOT be a common denominator for these two fractions?
2/4   and   3/8

• 32
• 12
• 8
• 24

2/3 + 1/2 = 

• 6/7
• 2/6
• 3/5
• 7/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2