Practice with Unlike Denominators

Complete this assessment to practice adding and subtracting unlike denominators. Be sure to check your answers.

Problems

1. Subtract.

6 \dfrac{2}{5}-3 \dfrac{1}{4}= \text{________} 

2. Add.

\dfrac{2}{3}+2 \dfrac{1}{6}= \text{________} 

3. Subtract.

2 \dfrac{3}{4}-\dfrac{5}{16}= \text{________} 

4. Add.

4 \dfrac{1}{2}+1 \dfrac{2}{5}= \text{________} 


Source: Khan Academy, https://www.khanacademy.org/math/cc-fifth-grade-math/imp-fractions-3/imp-adding-and-subtracting-mixed-number-with-unlike-denominators/e/adding_subtracting_mixed_numbers_1
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