adding and subtracting fractions with uncommon denominators

To add or subtract, two fractions must have...

• a monkey.

• unlike terms.

• common denominators.

• the same numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

5/12 + 1/3

• 6/12

• 9/12

• 6/15

• 3/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 14/16
• 7/8
• 8/7
• 4/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

4/5 - 1/5

• 5/5

• 4/1

• 3/0

• 3/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 3/20
• 1/1
• 3/9
• 1/9

Tags

CCSS.7.NS.A.1C

• 1
• 3/6
• 1/2
• 2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 2/15
• 2/0
• 1/2
• -1/2

Tags

CCSS.7.NS.A.1C

Evaluate the expression:  $\frac{2}{3}+\frac{1}{6}$  

• 1

•  $\frac{5}{6}$  

•  $\frac{7}{8}$  

•  $\frac{3}{3}$  

Tags

CCSS.7.NS.A.1C

Select the sentence that match the following expression:  $\frac{2}{8}+3\ \frac{5}{7}$  

• I have two eights and need to take away three and five sevenths.

• I have two eights and need to add three and seven fifths.

• I have 2 8s and need to add three five seven.

• I have two eighths and need to add three and five sevenths.

Tags

CCSS.4.NF.B.3A

To add or subtract, two fractions must have...

• a monkey.

• unlike terms.

• common denominators.

• the same numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2