Adding and subtracting fractions with common denominators

  How do you add two fractions with like denominators?

• Add the denominators; keep the numerators the same
• Add the numerators and add the denominators
• Add the numerators to the denominators
• Add the numerators and keep the like denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Solve.

• ³/₄
• ³/₈
• ²/₄
• ³/₁₆

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Karen has been monitoring her mileage. According to last week's driving log, she drove 2/6 of a mile in her car and 1/6 of a mile in her truck. How far did Karen drive last week in all?

• 1/6
• 2/6
• 3/6
• 5/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

2/5  +1/5 + 1/5=

• 3/15
• 4/5
• 2/5
• 4/15

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the difference in the following equation in lowest terms:
18/36 - 9/36 =

• 10/36
• 1/4
• 2/3
• 12/36

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Kayla has 3/9 of a pizza and Lille gave her 2/9 of a pizza. How much pizza does Kayla have now?

• 5

• 5/9

• 1/9

• 6/9

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

4/5 + 4 1/5= ?

• 1 3/5
• 3/5 
• 5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

2  7/8  + 2  4/8

• 4 2/8
• 4  3/8
• 5 3/8
• 5  2/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

2/12 + 1/12 + 3/12 + 1/12 + 4/12 =

• 8/12
• 1
• 11/12
• 10/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Brad ate 3/4 of his Kit-Kat bar and gave the rest to Doug.  How much of the Kit-Kat bar did Doug get to eat?

• 3/4
• 1/4
• 2/4
• None

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B