Operations with Fractions

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

Tags

CCSS.4.NF.A.2

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

Fill in the blank in order to create a true number sentence:
1/2 = __ /8

• 2
• 4
• 6
• 8

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Fill in the blank in order to create a true number sentence:
3/5 = __ /10

• 6
• 15
• 5
• 10

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

1/3 + 1/2 = 

• 6/7
• 2/6
• 3/5
• 5/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

3/4 + 2/8 = 

• 1
• 5/12
• 6/32
• 5/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is 9/15 + 4/5?

• 3/5
• 1    5/6
• 1    2/5
• 2/7

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is 3/5 + 9/8?

• 3/4
• 1      29/40
• 1      2/3
• 6/7

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2