Adding and Subtracting like fractions

Adding and Subtracting Fractions with Like Denominators

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Adding and Subtracting Fractions Warmup

Let's use our names to add and subtract fractions.

How many letters do you have in your first and last name combined?

• Out of all of your letters, how many letters are vowels?

• How many letters are consonants?

• Add the fraction of letters you have that are between A-G and add them to the fraction of letters you have that are between Q-Z.

Open Ended

Mrs.Henderson made a fruit smoothie. She drank 2/5 of it. What fraction of the smoothie is left?

Multiple Choice

Ella bought some cloth. She used 5/8 of a yard for a school project. She has 2/8 of a yard left. How much did Ella buy?

• 3/8 of a yard

• 7/16 of a yard

• 7/8 of a yard

• 8/8 of a yard

Multiple Choice

Ryan cut a cake into 12 equal sized pieces. He ate 2/12 of the cake, and DeDe ate 3/12 of the cake. How much is left?

• 1/12

• 5/12

• 7/12

• 12/12

Open Ended

Anora's muffin mix called for 2/3 cup of milk and 1/3 cup of oil. How much more milk and oil does she need for the mix?

Multiple Select

Kevin and Aileen are painting a room that's divided into 8 equal sections. Kevin painted 2 sections and Aileen painted 4 sections. Which model can be used to find the total fraction of the room they painted?

• A

• B

• C

• D

Open Ended

In all, Zoe and Marcus picked 9/10 a bucket of blueberries. Zoe picked 3/10 of a bucket of blueberries. What fraction did Marcus pick?

Open Ended

A christmas pie is cut into 8 equal pieces. Together, Bella and Lily B will eat 5/8 of the pie. What is one way the girls could eat that fraction of the pie? (Hint: Bella could eat _____ and Lily could eat _____)

Write it in equation form.