Adding and Subtracting Fractions with Like Denominators

Adding and Subtracting Fractions with Like Denominators

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.