Finding Common Denominators

What is the least common denominator for

 $\frac{2}{5}\ and\ \frac{3}{7}$  

• 15

• 21

• 35

• 40

Tags

CCSS.4.NF.A.2

CCSS.4.OA.B.4

What is the least common denominator for

 $\frac{1}{3}\ and\ \frac{4}{6}$  

• 3

• 6

• 12

• 18

Tags

CCSS.4.NF.A.2

What is the least common denominator for

 $\frac{5}{7}\ and\ \frac{1}{3}$  

• 3

• 7

• 18

• 21

Tags

CCSS.4.NF.A.2

CCSS.4.NF.A.1

What is the least common denominator for

 $\frac{4}{11}\ and\ \frac{2}{3}$  

• 11

• 30

• 33

• 66

Tags

CCSS.4.NF.A.2

What is the least common denominator for

 $\frac{1}{8}\ and\ \frac{2}{9}$  

• 24

• 36

• 54

• 72

Tags

CCSS.4.NF.A.2

CCSS.4.OA.B.4

What is the least common denominator for

 $\frac{6}{10}\ and\ \frac{2}{6}$  

• 20

• 30

• 60

• 120

Tags

CCSS.4.NF.A.2

CCSS.4.NF.A.1

What is the least common denominator for

 $\frac{1}{2}\ and\ \frac{4}{7}$  

• 14

• 12

• 10

• 8

Tags

CCSS.4.NF.A.2

CCSS.4.NF.A.1

What is the least common denominator for

 $\frac{3}{8}\ and\ \frac{1}{6}$  

• 16

• 24

• 36

• 48

Tags

CCSS.4.NF.A.2

Select all that could be common denominators for:

 $\frac{3}{5}and\ \frac{3}{4}$  

• 10

• 20

• 30

• 40

Tags

CCSS.4.NF.A.2

Select all that could be common denominators for:

 $\frac{2}{3}and\ \frac{5}{6}$  

• 6

• 9

• 12

• 18

Tags

CCSS.4.NF.A.2