Add and Subtract Fractions with Like Denominators

Cole played the piano for  $\frac{1}{3}$  of an hour. Then he played the flute for  $\frac{1}{3}$  of an hour and the drums for another  $\frac{1}{3}$  of an hour. What fraction shows the total number of hours he played instruments?

•  $\frac{2}{3}$  of an hour

•  $\frac{3}{3}$  of an hour

•  $\frac{1}{9}$  of an hour

•  $\frac{3}{9}$  of an hour

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Aiden read  $\frac{5}{8}$  of his library book over the weekend. What is  $\frac{5}{8}$  written as the sum of unit fractions?

•  $\frac{2}{8}+\frac{3}{8}$  

•  $\frac{1}{5}+\frac{1}{5}$  

•  $\frac{1}{2}+\frac{1}{2}+\frac{1}{2}+\frac{2}{2}$  

•  $\frac{1}{8}+\frac{1}{8}+\frac{1}{8}+\frac{1}{8}+\frac{1}{8}$  

Tags

CCSS.4.NF.B.3B

Valeria ran $\frac{3}{10}$  of a mile. The she walked  $\frac{4}{10}$  of a mile. What fraction of a mile did she travel?

•  $\frac{10}{7}$  of a mile

•  $\frac{1}{10}$  of a mile

•  $\frac{7}{10}$  of a mile

•  $\frac{7}{20}$  of a mile

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

The fraction of a yard of ribbon Mia used to make bookmarks for her friends is equal to the sum of the fractions below.

 $\frac{2}{12}+\frac{3}{12}+\frac{4}{12}$  
Which shows the total amount of ribbon Mia used?

•  $\frac{5}{12}$  of a yard

•  $\frac{6}{12}$  of a yard

•  $\frac{7}{12}$  of a yard

•  $\frac{9}{12}$  of a yard

Tags

CCSS.4.NF.B.3A

Mr. Franklin painted $\frac{3}{5}$  of a table top in the morning. He painted  $\frac{1}{5}$  of the table top in the afternoon. Use the model to find the total amount of the table top Mr. Franklin painted. 

 $\frac{3}{5}+\frac{1}{5}=$  

•  $\frac{5}{4}$  

•  $\frac{1}{5}$  

•  $\frac{4}{5}$  

•  $\frac{4}{10}$  

Tags

CCSS.4.NF.B.3A

Kaitlyn raked leaves. She filled   $\frac{3}{12}$  of a bag with leaves in the front yard and   $\frac{7}{12}$  of a bag in the back yard. Then she put all of the leaves in a bag together. How much of the bag did she fill?

•  $\frac{12}{10}$  

•  $\frac{4}{12}$  

•  $\frac{10}{12}$  

•  $\frac{10}{24}$  

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Carlos buys a pack of flower sees. He plants   $\frac{2}{5}$  of the pack in his garden and   $\frac{3}{5}$  of the pack in flower pots. What fraction of seeds does Carlos plant?

•  $\frac{1}{5}$  

•  $\frac{5}{5}$  

•  $\frac{1}{10}$  

•  $\frac{5}{10}$  

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Which shows   $\frac{4}{4}$  as the sum?

•  $\frac{4}{4}+\frac{4}{4}$  

•  $\frac{1}{4}+\frac{2}{4}+\frac{1}{4}$  

•  $\frac{3}{4}+\frac{1}{4}+\frac{1}{4}$  

•  $\frac{1}{1}+\frac{1}{1}+\frac{1}{1}+\frac{1}{1}$  

Tags

CCSS.4.NF.B.3A

Eric had a fraction of a gallon of juice. He poured juice for his family, and had a fraction of a gallon left. Use the model to write an equation to represent Eric's juice. 

•  $\frac{7}{8}-\frac{5}{8}=\frac{2}{8}$  

•  $\frac{5}{8}-\frac{7}{8}=\frac{2}{8}$  

•  $\frac{8}{8}-\frac{5}{8}=\frac{3}{8}$  

•  $\frac{8}{8}-\frac{7}{8}=\frac{1}{8}$  

Tags

CCSS.4.NF.B.3A

The distance from Eva's house to her grandmother's house is   $\frac{4}{10}$  of a mile. Write the fraction as a sum of unit fractions. 

•  $\frac{1}{10}+\frac{2}{10}+\frac{1}{10}$  

•  $\frac{3}{10}+\frac{1}{10}$  

•  $\frac{4}{10}+1$  

•  $\frac{1}{10}+\frac{1}{10}+\frac{1}{10}+\frac{1}{10}$  

Tags

CCSS.4.NF.B.3B