Adding Fraction Unlike Denominators

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.5.NF.A.1

CCSS.5.NF.A.2

3/8 + 2/4 =

• 5/12
• 5/8
• 7/8
• 6/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

2/6 + 1/2 =

• 5/6
• 3/6
• 4/6
• 3/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

#5

• 1
• 2
• 3
• 4

#8

• 7 hours
• 9 hours
• 5 hours
• 3 hours

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

#3

• 16 and 11/12 ft
• 4 and 2/3 ft
• 4 ft
• 4 and 5/12 ft

Tags

CCSS.7.NS.A.1C