Add and subtract fractions
Add and subtract fractions
What you'll learn
- Identify the least common denominator (LCD) of two or more fractions with at least 80% accuracy on a worksheet containing 10 problems.
- Solve addition and subtraction problems involving fractions with unlike denominators, showing all steps, and achieve at least 7 out of 10 correct answers on a quiz.
- Explain in writing, using at least three complete sentences, why finding a common denominator is necessary before adding or subtracting fractions.
- Apply the concepts of adding and subtracting fractions to solve 3 out of 4 real-world word problems accurately, demonstrating the conversion of mixed numbers and improper fractions when needed.
Tutorial Preview
How do you add 1/3 + 1/4?
How do you subtract 1/2 - 1/5?
How do you add 1 1/2 + 2 1/3?
Sample Practice Questions
Want to practice and check your answers?
Sign up to access all questions with instant feedback, explanations, and progress tracking.
Start Practicing FreeMore from Operations with fractions
Mathematics for other grades
Frequently asked questions
What grade level is "Add and subtract fractions"?
Add and subtract fractions is a Grade 7 Mathematics lesson on ExcelOS.
What will I learn in Add and subtract fractions?
You'll be able to: Identify the least common denominator (LCD) of two or more fractions with at least 80% accuracy on a worksheet containing 10 problems; Solve addition and subtraction problems involving fractions with unlike denominators, showing….
Is "Add and subtract fractions" free to practice?
Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.
How many practice questions are included with Add and subtract fractions?
This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.