Adding and Subtracting Fractions with Unlike Denominators

 $\frac{2}{3},\frac{5}{12}$  

Find the lowest common denominator and make the equivalent fractions 

 $\frac{5}{6}+\frac{7}{8}$  

Tags

CCSS.7.NS.A.1C

 $2\ \frac{2}{3}-1\ \frac{2}{5}$  

Find the difference

Tags

CCSS.7.NS.A.1C

 $7\ -1\frac{3}{7}$  

Tags

CCSS.7.NS.A.1C

Samuel walks in the Labor Day parade. He walks  $3\frac{1}{4}$  miles along the parade route and  $2\frac{5}{6}$  miles home. How many miles does Samuel walk? 

•  $\frac{5}{10}$  mile

•  $5\frac{1}{12}$  mile

•  $5\frac{11}{12}$  mile

•  $6\frac{1}{12}$  mile

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

A gardener has a container with  $6\frac{1}{5}$  ounces of liquid plant fertilizer. On Sunday, the gardener uses  $2\frac{1}{2}$  ounces on a flower garden. How many ounces of liquid plant fertilizer are left?

•  $3\frac{7}{10}$  ounces

•  $4\frac{7}{10}$  ounces

•  $6\frac{7}{10}$  ounces

•  $8\frac{7}{10}$  ounces

Tags

CCSS.7.NS.A.1C

Aaron is practicing for a triathlon. On Sunday, he bikes  $12\ \frac{5}{8}$  miles and swims  $5\ \frac{2}{3}$  miles. On Monday, he runs  $6\ \frac{3}{8}$   miles. How many total miles does Aaron cover on the two days? 

•  $23\ \frac{1}{6}$  

•  $24\ \frac{2}{3}$  

•  $24\ \frac{7}{12}$  

•  $25\ \frac{7}{12}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Mrs. Friedmon baked a walnut cake for her class. The pictures above show how much cake she brought to school and how much she had left at the end of the day.

Which fraction represents the difference between the amounts of cake Mrs. Friedmon had before school and after school?

• $\frac{5}{8}$

• $1\ \frac{1}{2}$

• $1\ \frac{5}{8}$

• $2\ \frac{1}{2}$

Tags

CCSS.4.NF.B.3A