Adding Fractions

8/10 + 3/5

• 11/15

• 1 1/5

• 14/15

• 1 4/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

5/12 + 1/3

• 6/12

• 9/12

• 6/15

• 3/4

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

Find the sum.
1/2 + 2/5

• 3/7

• 3/10

• 9/10

• 1  1/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Add.
4/7 + 3/5

• 7/35

• 1  6/35

• 16/35

• 40/35

Tags

CCSS.7.NS.A.1C

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 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

• 4/5
• 4/10
• 2/5
• 5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 3/8
• 3/16
• 1/8
• 2/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the the next step to finding this answer?

• Add the numerators (1+1=2)

• Multiply 12 X 1 for both fractions to find a new numerator

• Multiply to find each new numerator by the multiple used to get 12. (3 X1) (4 X 1)

• This is a mistake, you don't need to convert to twelfths

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2