Adding Fractions with Unlike Denominators

Is this a correct answer?

• Yes, the student correctly added.
• No, you cannot add unlike denominators
• No, 5 + 7 is not 12
• No, 2 + 3 is not 5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator for this problem? 3/16 + 2/4 =

• 24

• 8

• 16

• 32

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator of 1/7 and 3/6?

• 14
• 21
• 7
• 42

Tags

CCSS.4.NF.A.2

CCSS.4.OA.B.4

What is the least common denominator of 6/8 and 4/12?

• 12
• 24
• 8
• 16

Tags

CCSS.4.NF.A.2

CCSS.4.OA.B.4

What is the least common denominator of 1/4 and 2/5?

• 5
• 25
• 10
• 20

Tags

CCSS.4.NF.A.2

Complete the equivalent fraction.

• 6
• 9
• 15
• 23

Tags

CCSS.4.NF.A.1

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

Complete the equivalent fraction.

• 2

• 12

• 1

• 4

Tags

CCSS.4.NF.A.1

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

Complete the equivalent fraction.

• 2

• 4

• 6

• 12

Tags

CCSS.4.NF.A.1

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

Solve:
½ + ⅖

• 9/10
• 1/2
• 5/10
• 4/10

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• - 3/56
• 18/56
• - 4/15
• 29/56

Tags

CCSS.7.NS.A.1C