This one-page fractions worksheet is designed to help seventh-grade learners practice adding and subtracting positive and negative mixed numbers. The worksheet includes 15 problems that require students to find the sum or difference of mixed numbers and express their answer in the simplest form. To successfully complete this worksheet, students should already have a good understanding of adding and subtracting positive and negative integers, as well as adding and subtracting fractions with both like and unlike denominators. If students need a warm-up activity before attempting this worksheet, they can try the Add and Subtract Positive and Negative Fractions worksheet.