Adding/Subtracting Fractions

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

What do you need to do FIRST when adding unlike fractions?

• Find a common denominator
• Add
• Subtract
• Simplify

Add the fractions:
2/3 + 1/4=

• 3/12
• 11/4
• 3/7
• 11/12

Add the fractions:
1/3 + 1/5 =

• 8/15
• 2/5
• 1/2
• 1/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Add 1/6 + 1/2=?

• 2/3
• 2/8
• 3/6
• 4/8

Add 2/3 + 5/12=?

• 7/12
• 1 1/12
• 11/12
• 15/12

Add 1/3 + 2/9=?

• 5/9
• 4/9
• 2/9
• 3/12

• 13/15
• 1 7/12
• 1
• 9/15

Tags

CCSS.7.NS.A.1C

What is 3/4 - 1/2?

• 1      1/4
• 4/5
• 1/4
• 5/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is 8/9 - 5/6?

• 1/18
• 3/4
• 6/7
• 10/12

Tags

CCSS.7.NS.A.1C