Adding and Subtracting Mixed Numbers with Common Denominators

Solve and simplify to lowest terms.

• a

• b

• c

• d

Tags

CCSS.7.NS.A.1C

When the denominators are not the same, I must find a...

• common numerator

• common denominator

• equivalent fraction

• mixed number

Tags

CCSS.4.NF.A.1

CCSS.5.NF.B.5B

Once I have completed adding or subtracting fractions, I should always ____________ if possible.

• make equivalent fractions

• add again

• simplify

• multiply

When adding and subtracting fractions, which value needs to be the same in all values being added/subtracted?

• Numerator

• Denominator

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 1    5/12
• 3     11/24
• 3    11/12
• 3    1/2

Tags

CCSS.7.NS.A.1C

Tags

CCSS.7.NS.A.1C

Solve

• 11 3/4

• 11 3/8

• 11

• 3/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

1 11/12 + 2 5/12

• 4 1/3

• 3 4/12

• 4 16/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum?

• 
• 
• 
• 

Tags

CCSS.7.NS.A.1C

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B