FIND THE COMMON DENOMINATOR

 $\frac{3}{5}\ +\ \frac{4}{7}$  what's the common denominator?

• 5

• 7

• 12

• 35

Tags

CCSS.4.NF.A.2

 $\frac{5}{7}\ +\ \frac{3}{21}$  what's the common denominator?

• 21

• 28

• 147

• 7

Tags

CCSS.4.NF.A.1

CCSS.4.NF.A.2

 $\frac{3}{4}\ +\ \frac{5}{28}$  what's the common denominator?

• 32

• 28

• 112

• 4

Tags

CCSS.4.NF.A.2

 $\frac{1}{6}\ +\ \frac{5}{8}$  what's the common denominator?

• 6

• 48

• 2

• 24

Tags

CCSS.4.NF.A.2

 $\frac{2}{3}\ +\ \frac{5}{8}$  what's the common denominator?

• 24

• 11

• 3

• 8

Tags

CCSS.4.NF.A.2

 $\frac{5}{9}\ +\ \frac{7}{15}$  what's the common denominator?

• 9

• 135

• 45

• 60

Tags

CCSS.4.NF.A.2

 $\frac{2}{3}\ +\ \frac{7}{12}$  what's the common denominator?

• 3

• 4

• 12

• 36

Tags

CCSS.4.NF.A.2

 $\frac{7}{22}\ +\ \frac{5}{8}$  what's the common denominator?

• 8

• 22

• 44

• 88

Tags

CCSS.4.NF.A.2

 $\frac{3}{18}\ +\ \frac{2}{3}$  what's the common denominator?

• 3

• 54

• 18

• 6

Tags

CCSS.4.NF.A.2

 $\frac{5}{12}\ +\ \frac{6}{7}$  what's the common denominator?

• 19

• 84

• 72

• 54

Tags

CCSS.4.NF.A.2