Adding and Subtracting Fractions Unlike Denominators with Models

1/2 + 1/3

• 1/6

• 1/5

• 2/5

• 5/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

4/6 - 1/6 = ?

• 5/6

• 1/12

• 3/6

• 5/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the Least Common Denominator of 1/5 + 2/10

• 5

• 10

• 50

• 15

I can add and subtract fractions with unlike denominators...

• With pictures and models

• Using strategies

• I'm still confused.

Tags

CCSS.7.NS.A.1C

Zoe had 3/8 cup of cat food. She spilled 1/4 of the cat food on the floor. Which fraction represents how much cat food is left in the cup?

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What must you have to add and subtract fractions?

• Common numerators

• Different numerators

• Different denominators

• Common denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

When you add or subtract fractions with unlike denominators you..

• Add both the numerators and denominators

• Change the denominator by picking a random number then divide

• Find the least common multiple of both denominators

• none of these are true

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator of 1/4 and 1/3?

• 4

• 3

• 12

• 8

Solve:

8/9 - 1/3 =

• 7/6

• 5/9

• 2/3

• 8/27

Tags

CCSS.7.NS.A.1C

Solve:
½ + ⅖

• 9/10

• 1/2

• 5/10

• 4/10

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D