Operations on Fractions

Operations on Fractions

by Jacqueline Porwelos

Multiple Choice

$$\frac{2}{12}+\frac{3}{12}=?$$  

• $$\frac{5}{12}$$  

• $$\frac{3}{12}$$  

• $$\frac{3}{4}$$  

• $$\frac{1}{2}$$  

Multiple Choice

$$\frac{1}{4}+\frac{3}{5}=?$$  

• $$\frac{3}{4}$$  

• $$\frac{17}{20}$$  

• $$\frac{7}{20}$$  

• $$\frac{4}{5}$$  

Multiple Choice

$$3\ \frac{1}{2}​+\frac{1}{3}​=?$$  

• $$\frac{20}{6}$$  

• $$3\frac{5}{6}$$  

• $$3\ \frac{1}{3}$$  

• $$2\ \frac{5}{6}$$  

Multiple Choice

$$\frac{4}{5}-\frac{1}{5}=?$$  

• $$\frac{1}{5}$$  

• $$\frac{2}{5}$$  

• $$\frac{3}{5}$$  

• $$\frac{5}{5}$$  

Multiple Choice

$$5-\frac{8}{15}=?$$  

• $$4\ \frac{6}{15}$$  

• $$4\ \frac{7}{15}$$  

• $$\frac{66}{15}$$  

• $$\frac{65}{15}$$  

Multiple Choice

$$1\frac{2}{5}\times\frac{4}{7}=?$$  

• $$\frac{3}{4}$$  

• $$\frac{4}{5}$$  

• $$\frac{7}{10}$$  

• $$\frac{9}{10}$$  

Multiple Choice

While making desserts for a bake sale, Lyla used 7/10 of a scoop of brown sugar as well as 1/2 of a scoop of white sugar. How much more brown sugar did Lyla use?

• $$\frac{6}{10}$$  

• $$\frac{2}{5}$$  

• $$\frac{3}{10}$$  

• $$\frac{1}{5}$$  

Multiple Choice

Noah poured   $$\frac{3}{4}$$    of a gallon of water into a bucket.  Later, he put    $$\frac{2}{3}$$    of a gallon more. How much water is in the bucket now?

• 1

• $$\frac{5}{12}$$  

• $$\frac{16}{12}$$  

• $$1\ \frac{5}{12}$$  

Multiple Choice

In the pet show,   $$\frac{3}{8}$$    of the pets are dogs.  Of the dogs,    $$\frac{2}{3}$$   have long hair.  What fraction of the pets are dogs with long hair? 

• $$\frac{1}{4}$$  

• $$\frac{2}{5}$$  

• $$\frac{1}{3}$$  

• $$\frac{1}{2}$$