Adding and Subtracting Fractions Unlike Denominators Models

• 3/20
• 1/1
• 3/9
• 1/9

• 1
• 3/6
• 1/2
• 2

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.

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?

• 5/14
• 3/7
• 5/7
• 5/14

Kayden has 3/9 of a pizza and Laila gave her 2/9 of a pizza.  How much pizza does Kayden have now?

• 5 Pizzas

• 5/9 of a pizza

• 1/9 of a pizza

• 1 pizza

Jared ate 2/8 of his pizza for lunch and 3/8 of his pizza for supper.  How much of his pizza is left?

• 5/8

• 3/8

• 1/8

• 5/16

If Ms. Perry brought the class a whole cheese pizza, and Silvia stole 3/26 of the pizza. Rakiya ate 5/26 of the pizza. Josiah ate 4/26 of the pizza. How much pizza does Ms. Perry have left?

• 1/26

• 14/26

• all of it

• 12/26

Felix bought 5/6 pound of peanuts. He ate 3/6 pound of the peanuts with his friends. How much did Felix have left? Simplify your answer

• 8/6 pound

• 2/6 pound

• 1/3 pound

• 4/3 pound