Unit 4 test: Adding and Subtracting Fractions

Find $\dfrac{1}{2} + \dfrac{1}{3}$.

What is the smallest common denominator for $\dfrac{3}{4}$ and $\dfrac{5}{6}$?

Find $\dfrac{2}{5} + \dfrac{7}{15}$.

Find $\dfrac{3}{4} + \dfrac{2}{5}$. Write your answer as a fraction or a mixed number.

Find $\dfrac{5}{8} - \dfrac{1}{4}$.

Find $\dfrac{4}{7} - \dfrac{1}{3}$.

Kai says $\dfrac{5}{6} - \dfrac{1}{2} = \dfrac{4}{4} = 1$. Which statement is true?

Find $2\dfrac{3}{4} + 3\dfrac{1}{3}$.

Find $5\dfrac{1}{2} - 2\dfrac{1}{5}$.

Find $6\dfrac{1}{8} - 3\dfrac{1}{2}$.

Find $4 - 2\dfrac{4}{9}$.

Mia walked $\dfrac{3}{4}$ of a mile to the library and $\dfrac{3}{8}$ of a mile to the park. How far did she walk in all, in miles?

Which is the best estimate for $\dfrac{11}{12} + \dfrac{4}{9}$?

A bucket held $3\dfrac{1}{4}$ gallons of water. Tom used $1\dfrac{2}{3}$ gallons to water plants. How many gallons are left?

Rosa spent $\dfrac{1}{3}$ of her afternoon reading and $\dfrac{5}{12}$ of it practicing piano. She spent the rest playing outside. What fraction of the afternoon did she spend playing outside?