Adding and Subtracting Fractions

The number one rule for adding and subtracting fractions is to...

• find the GCF.

• find a least common denominator.

• line up the fractions.

• add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

GCF stands for...

• Greatest Common Fraction

• Greatest Caramel Frappuccino

• Greatest Core Factor

• Greatest Common Factor

Tags

CCSS.6.NS.B.4

Reduce or simplify 12/18

• 2/3

• 4/5

• 6/12

• 2/8

Tags

CCSS.4.NF.A.1

3/8 + 4/8 =

• 7/8

• 7/16

• 9/8

• 1/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

5 - 6/7 =

• 4 2/3

• 4 1/7

• 4 6/7

• 5 1/6

Tags

CCSS.7.NS.A.1C

3 2/3 + 6 3/4

• 10 5/12

• 9 3/4

• 9 5/12

• 10 2/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Find the GCF of 6 and 24.

• 3

• 4

• 6

• 2

Tags

CCSS.6.NS.B.4

MarthaMayMarbleWay has a pink ribbon and a purple ribbon. The pink ribbon is 6 1/5 inches long. The purple ribbon is 8 2/10 inches. How much ribbon does she have?

• 14 3/5

• 2 1/5

• 14 4/10

• 14 2/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

7 5/12 - 2 7/12 =

• 5 5/12

• 4 10/12

• 4 2/12

• 4 5/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

LCD is...

• Littlest Common Denominator

• Least Confusing Demonstration

• Least Common Dollar

• Least Common Denominator

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2