Adding Fractions with unlike denominators

3/8 + 2/4 =

• 5/12
• 5/8
• 7/8
• 6/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

2/6 + 1/2 =

• 5/6
• 3/6
• 4/6
• 3/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1/9 + 2/27

• 3/27
• 5/27
• 3/27
• 3/36

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Aden is helping his dad paint his house. They mixed 5/9 gallons of white paint and 1/6 gallons of blue paint. How many gallons was the mixture in all?

• 6/18 gallons
• 13/18 gallons
• 4/5 gallons
• 1/6 gallons

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What number could be a common denominator for these two fractions?
1/5   and   5/6?

• 30
• 11
• 6
• 5

Tags

CCSS.4.NF.A.2

What number could be a common denominator for these two fractions?
2/3   and   3/4

• 3
• 4
• 7
• 12

Tags

CCSS.4.NF.A.2

What number could be a common denominator for these three fractions?
1/2   and   1/3   and   1/4

• 9
• 8
• 12
• 6

Tags

CCSS.4.NF.A.2

1/2 + 2/3

• 5/6
• 3/5
• 3/6
• 1/2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

Tim did 1/12 of a load of laundry on Sunday and 1/4 of a load of laundry on Saturday. What fraction of laundry did Tim do in total?

• 2/16 loads done 
• 4/12 loads done
• 2/3 loads done 
• 2/12 loads done 

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2