Adding and Subtracting Fractions with Unlike Denominators Worksheet with Answer Key

What's on the worksheet

1. Use two squares cut into fourths and fifths and their small cells to add the fractions.
2. Add or subtract, writing each answer in simplest form:
   \dfrac{2}{5} + \dfrac{3}{10}\dfrac{5}{6} - \dfrac{1}{4}\dfrac{1}{3} + \dfrac{3}{8}\dfrac{7}{9} - \dfrac{1}{2}\dfrac{3}{4} + \dfrac{1}{6}
3. Word problem: how many pounds of fruit did Priya buy in all?
4. Find Ben's and Leah's mistakes adding and subtracting fractions and find the correct answers.
5. Word problem: how many cups of trail mix is that in all?
6. Find the whole number that goes in each box: