Rational Numbers Quiz

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

• 3
• 4
• 7
• 12

Tags

CCSS.5.NF.A.1

CCSS.5.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.5.NF.A.1

CCSS.5.NF.A.2

What number could be a common denominator for these three fractions?
1/2   and   1/3   and   1/4

• 9
• 8
• 12
• 6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1/2 + 1/3 + 1/5 = 

• 31/30
• 3/10
• 1/30
• These fractions cannot be added

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 3/4 + 2/3

• 5/7

• 1 1/4

• 6/12

• 1 5/12

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 3/4 - 1/2?

• 1      1/4
• 4/5
• 1/4
• 5/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

2 1/4 + 3 2/12

• 5 3/4
• 5 5/12
• 5 3/12
• 5 2/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is ¹/₈ + ⁵/₈?

• 1
• ⁶/₁₆ or ³/₈
• ⁶/₈ or ³/₄
• ²/₄ or ¹/₂

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2