Review Adding and Subtracting Fractions

Gabriela, Omar and Iris shared one pie. The models are shaded to show the fraction of the pie each of them ate. What fraction represents the total amount of pie the three students ate?

The shaded part of the model represents a fraction. Another fraction was subtracted from the first fraction. Which expression does the model represent?

The shaded part of the model represents a fraction. Another fraction was subtracted from the first fraction. Which expression does the model represent?

The shaded part of the model represents a fraction. Another fraction was subtracted from the first fraction. Which expression does the model represent?

The shaded part of the model represent a fraction. Another fraction was subtracted from the first fraction. Which expression does the model represent?

What number could be a common denominator for these two fractions?
2/3   and   3/4

• 3

• 4

• 7

• 12

• 3 1/3
• 3 2/3
• 3 1/2

Brian bought a package of popsicles and stored them in his freezer. The model is shaded to represent the fraction of the package of popsicles that Brian ate in each of three weeks. What fraction of the package of popsicles did Brian eat in these three weeks?

Jasmine bought 3/4 of a pound of green grapes and 2/3 of a pound of red grapes. How much more did the green grapes weigh than the red grapes?

• 5/8

• 1/12

• 17/12

• 5/12