Adding and Subtraction Fractions with Unlike Denominators

• 2/5
• 5/6
• 4/6
• 1/5

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

What number could be a common denominator for these two fractions?
3/10   and   1/5

• 5
• 10
• 15
• These numbers do not have a common denominator

1/4 + 5/8

• 2/8
• 6/12
• 3/4
• 7/8

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

What is the correct answer?

• 7/3
• 7/6
• 9/6
• 7/7

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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.7.NS.A.1C

• 4/9
• 1/4
• 3/12
• 5/9

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Yao drank ¹¹ /₄ bottles of water during a soccer game. What is the number expressed as a mixed number?

• 3 ¹/₄
• 2 ³/₄
• 2 ¹/₂
• 2 ¹/₄

Complete the equivalent fraction.

• 6
• 9
• 15
• 23

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1