Math6 Adding Fractions

What must you have in order to add fractions?

• different numerators
• common numerators
• common denominators
• opposite denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Which problem would use 12 as the least common denominator?

• 2/3 + 3/5
• 3/4 + 1/6
• 7/10 + 1/2
• 5/12 + 3/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Which problem has a sum of 4/9?

• 2/9 + 2/3
• 2/9 + 1/9
• 2/3 + 2/3
• 2/9 +2/9

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

Which of these numbers could NOT be a common denominator for these three fractions?
1/3   and 2/5   and   3/10

• 15
• 30
• 60
• 90

1/3 + 1/9

• 4/9

• 9/12

• 6/15

• 3/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

3/20 + 3/4

• 18/20

• 6/20

• 9/10

• 9/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

The number on the top of a fraction is called what?

• numerator
• denominator
• fractionator
• equivalent

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

2/12 + 3/12

• 5/12
• 5/24
• 6/12
• 6/144

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

3 2/3 + 4 2/3

• 7 1/3
• 6 1/3
• 9 1/3
• 8 1/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D