Finding Common Denominators

Multiple Choice

What is the least common denominator for

$$\frac{2}{5}\ and\ \frac{3}{7}$$  

• 15

• 21

• 35

• 40

Multiple Choice

What is the least common denominator for

$$\frac{1}{3}\ and\ \frac{4}{6}$$  

• 3

• 6

• 12

• 18

Multiple Choice

What is the least common denominator for

$$\frac{5}{7}\ and\ \frac{1}{3}$$  

• 3

• 7

• 18

• 21

Multiple Choice

What is the least common denominator for

$$\frac{4}{11}\ and\ \frac{2}{3}$$  

• 11

• 30

• 33

• 66

Multiple Choice

What is the least common denominator for

$$\frac{1}{8}\ and\ \frac{2}{9}$$  

• 24

• 36

• 54

• 72

Multiple Choice

What is the least common denominator for

$$\frac{6}{10}\ and\ \frac{2}{6}$$  

• 20

• 30

• 60

• 120

Multiple Choice

What is the least common denominator for

$$\frac{1}{2}\ and\ \frac{4}{7}$$  

• 14

• 12

• 10

• 8

Multiple Choice

What is the least common denominator for

$$\frac{3}{8}\ and\ \frac{1}{6}$$  

• 16

• 24

• 36

• 48

Multiple Select

Select all that could be common denominators for:

$$\frac{3}{5}and\ \frac{3}{4}$$  

• 10

• 20

• 30

• 40

Multiple Select

Select all that could be common denominators for:

$$\frac{2}{3}and\ \frac{5}{6}$$  

• 6

• 9

• 12

• 18