Easiest common denominator

What is the easiest common denominator for the fractions

 $\frac{1}{2}$  and  $\frac{1}{3}$  ?

• 2

• 3

• 5

• 6

Tags

CCSS.5.NF.A.1

 Convert these to "like fractions".

 $\frac{2}{3}$   and  $\frac{1}{4}$  .

•  $\frac{2}{12}\ and\ \frac{1}{12}$  

•  $\frac{8}{12}\ and\ \frac{3}{12}$  

•  $\frac{6}{12}\ and\ \frac{4}{12}$  

Tags

CCSS.5.NF.B.5B

What is a common denominator for the fractions $\frac{6}{7}\ and\ \frac{3}{5}$  ?

• 15

• 35

• 42

• none of the above

Tags

CCSS.4.NF.A.2

What is the easiest common denominator for

  $\frac{3}{7}\ and\ \frac{2}{3}$  ?

• 3

• 14

• 21

• 9

Tags

CCSS.5.NF.A.1

Find the easiest common denominator for $\frac{4}{9}\ and\ \frac{3}{5}$  ?

• 45

• 5

• 9

• 40

Tags

CCSS.5.NF.A.1

Using easiest common denominator find  $\frac{3}{4}\ +\ \frac{1}{5}\ =$  

•  $\frac{4}{9}$  

•  $\frac{3}{20}$  

•  $\frac{19}{20}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Subtract:  $\frac{7}{8}\ -\ \frac{2}{5}\ =$  

•  $\frac{19}{40}$  

•  $\frac{5}{3}$  

•  $\frac{5}{40}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the easiest common denominator of

 $\frac{3}{10}\ and\ \ \frac{5}{6}$  ?

• 15

• 18

• 50

• 60

Tags

CCSS.5.NF.A.1

Common denominator: $\frac{1}{3}and\ \ \frac{1}{2}$  

• 1

• 6

• 3

• 2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Add:  $\frac{5}{2}\ +\frac{3}{2}\ =$  

•  $\frac{8}{4}$  

•  $\frac{8}{2}$  

•  $\frac{15}{4}$  

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D