Adding and Subtracting Fractions and Mixed Numbers with Regrouping Like Denominator

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction
• Rewrite the fractions in the simplest form. 
• Find a common denominator. 
• Make each fraction into an improper faction. 

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator you could use to subtract 1/3 and 1/4?

• 3
• 4
• 24
• 12

• 5 1/2
• 1 1/6
• 5 5/14
• 4 19/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the difference in the following equation in its simplest terms:

9/12 - 5/12 =

• 14/12

• 1/3

• 5/12

• 2/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Find the sum of the following equation in simplest terms:

10/24 + 6/24 =

• 6/24 or 1/4

• 8/24 or 1/3

• 16/24 or 2/3

• 14/24 or 7/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

4  1/3  -  1  2/3

• 1  2/3
• 3  2/3
• 2  2/3
• 4  2/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

6  1/4  -  2  3/4 

• 3   1/2
• 3  3/4
• 4  1/2
• 4   1/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D