Adding Subtraction Fractions

27/3 - 9

Tags

CCSS.7.NS.A.3

16/8 + 4

Tags

CCSS.4.NF.B.3A

Before you add or subtract fractions what must be the same?

• Numerator

• Denominator

• Just add

• Just subtract

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

3 8/12 + 2 7/12

• 6 3/12

• 5 3/12

• 6 2/12

• 5 15/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

4 2/6 - 2/6

• 0

• 3

• 4 1/6

• 4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

3/9 + 1/3 =

• 7/9

• 4/12

• 2/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What fraction of the circle is pizza?

• 1/3

• 1/2

• 1/4

• 2/3

Tags

CCSS.2.G.A.3

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

• 3

• 7

• 4

• 12

• 3/10
• 3/5
• 3/25
• 15/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D