Exercise Module Videos

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/5th-... Think of a mixed numbers as a number AND a fraction. You can add numbers....you can add fractions with like denominators. Therefore, you can add mixed numbers! Watch. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-... Watch the next lesson: https://www.khanacademy.org/math/pre-... Missed the previous lesson? https://www.khanacademy.org/math/pre-... Pre-Algebra on Khan Academy: No way, this isn't your run of the mill arithmetic. This is Pre-algebra. You're about to play with the professionals. Think of pre-algebra as a runway. You're the airplane and algebra is your sunny vacation destination. Without the runway you're not going anywhere. Seriously, the foundation for all higher mathematics is laid with many of the concepts that we will introduce to you here: negative numbers, absolute value, fa

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/5th-... Think of a mixed numbers as a number AND a fraction. You can subtract numbers....you can subtract fractions with like denominators. Therefore, you can subtract mixed numbers! Watch. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-... Watch the next lesson: https://www.khanacademy.org/math/pre-... Missed the previous lesson? https://www.khanacademy.org/math/pre-... Pre-Algebra on Khan Academy: No way, this isn't your run of the mill arithmetic. This is Pre-algebra. You're about to play with the professionals. Think of pre-algebra as a runway. You're the airplane and algebra is your sunny vacation destination. Without the runway you're not going anywhere. Seriously, the foundation for all higher mathematics is laid with many of the concepts that we will introduce to you here: negative numbers, abs

To add these fractions we need to find a common denominator. The answer can be expressed as a mixed number. Let's try together. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-... Watch the next lesson: https://www.khanacademy.org/math/pre-... Missed the previous lesson? https://www.khanacademy.org/math/pre-... Pre-Algebra on Khan Academy: No way, this isn't your run of the mill arithmetic. This is Pre-algebra. You're about to play with the professionals. Think of pre-algebra as a runway. You're the airplane and algebra is your sunny vacation destination. Without the runway you're not going anywhere. Seriously, the foundation for all higher mathematics is laid with many of the concepts that we will introduce to you here: negative numbers, absolute value, factors, multiples, decimals, and fractions to name a few. So buckle up and move your seat into the upright position. We're about to take off! About Khan Academy: Khan Academy offe