Adding and Subtracting Fractions on a Number Line

What is the process of making two fractions with unlike denominators able to be added or subtracted called?

• Finding the least common multiple or least common denominator

• Addition

• Multiplication

• Reverse multiplication

Tags

CCSS.7.NS.A.1C

What is the first step of adding or subtracting two fractions?

• Checking if the numerators are the same

• Checking if the denominators are the same or different

• Checking that the fractions are equal

• Adding or subtracting

Tags

CCSS.7.NS.A.1C

3/8 + 4/8 =

• 7/8

• 7/16

• 9/8

• 1/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

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

When adding or subtracting fractions, I have to use or find ________ before I can solve.

• Factoring

• LCD

• GCF

• Division

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

5/7 + 12/14 =

• 17/14

• 1 8/14

• 22/14

• 1 4/7

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

22/23 - 14/23 =

• 8/24

• 8/23

• 1/23

• 36/23

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

Mr. Byron drank 3/5 of his delicious, yummy, tasty, refreshing, glorious, spectacular, cold coffee in the morning and 2/10 of it in the afternoon. How much does he left to drink?

• 4/5

• 8/10

• 1/3

• 1/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2