4th Grade: Adding and Subtracting Fractions

Ben uses $$\frac{3}{12}$$   pound of strawberries and $$\frac{2}{12}$$   pound of blueberries to make jam.

How many pounds of berries does Ben use to make jam?

To get the correct color, Johan mixed $$3\ \frac{1}{4}$$   quarts of white paint, $$1\ \frac{2}{4}$$   quarts of blue paint, and $$2\ \frac{3}{4}$$   quarts of green paint. How much paint did Johan make? Johan made quarts of paint.

 Nick had $$3\ \frac{1}{4}$$   bottles of water for his wrestling practice. When he finished he had $$1\ \frac{2}{4}$$   bottles of water left. He said he used $$2\ \frac{1}{4}$$   bottles of water during the practice. Do you agree?

The school carnival is divided into sections. The dunk tanks are in $$\frac{1}{10}$$   of the carnival. Games are in $$\frac{4}{10}$$   of the carnival. Student exhibits are in $$\frac{5}{10}$$   of the carnival.

Use the model. What fraction of the carnival is dunk tanks and games?

The fraction of the carnival with dunk tanks AND games is ______

Ilene is making smoothies. The recipe calls for $$1\ \frac{1}{4}$$   cups of strawberries. How many cups of strawberries, written as a fraction greater than one, are used in the recipe?

Dillon’s dad sells golf balls online. He sells $$\frac{4}{5}$$   of the golf balls. Select a way $$\frac{4}{5}$$   can be written as a sum of fractions.

Betsy brought $$\frac{6}{12}$$   pound of trail mix on a camping trip. She ate $$\frac{4}{12}$$   pound of the trail mix. How much trail mix is left?

In a survey, $$\frac{5}{10}$$  of the students chose a dog and $$\frac{1}{10}$$   chose a fish as their favorite pet. What fraction shows the students who chose a dog or a fish as their favorite pet?

Match the equation with the property used.

$$\frac{3}{5}+\left(\frac{2}{5}+\frac{1}{5}\right)\ =\ \left(\frac{3}{5}+\frac{2}{5}\right)+\frac{1}{5}$$  

Match the equation with the property used.

$$3\ \frac{1}{5}+\left(5+1\ \frac{3}{5}\right)=3\ \frac{1}{5}+\left(1\ \frac{3}{5}+5\right)$$