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ELM: CSU Math Study Guide17 chapters | 147 lessons | 7 flashcard sets

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This quiz and worksheet give you the chance to find sums and differences of fractions and mixed numbers. You will be assessed on your ability to use the least common denominator in order to add or subtract unlike fractions and mixed numbers.

Students will have to solve the following types of problems:

- Adding fractions with different denominators
- Subtracting fractions with unlike denominators
- Adding unlike mixed numbers
- Subtracting mixed numbers

The worksheet/quiz combo work to help you use the following skills:

**Problem solving**- use acquired knowledge to solve practice problems with fractions**Distinguishing differences**- compare and contrast topics from the lesson, such as different approaches to use when adding or subtracting**Making connections**- use understanding of the concepts of numerator and denominator functions

The supplementary lesson, How to Add and Subtract Unlike Fractions and Mixed Numbers, can show you what you need to master this topic. You will learn about:

- Least common denominators and how to use them
- Adding and subtracting unlike fractions
- Adding and subtracting unlike mixed numbers

You are viewing lesson
Lesson
6 in chapter 2 of the course:

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ELM: CSU Math Study Guide17 chapters | 147 lessons | 7 flashcard sets

- How to Build and Reduce Fractions 3:55
- How to Find Least Common Denominators 4:30
- Comparing and Ordering Fractions 7:33
- Changing Between Improper Fraction and Mixed Number Form 4:55
- How to Add and Subtract Like Fractions and Mixed Numbers 4:14
- How to Add and Subtract Unlike Fractions and Mixed Numbers 6:46
- Dividing Fractions and Mixed Numbers 7:12
- Practice with Fraction and Mixed Number Arithmetic 7:50
- Estimation Problems using Fractions 7:37
- Solving Problems using Fractions and Mixed Numbers 7:08
- How to Solve Complex Fractions 5:20
- Calculations with Ratios and Proportions 5:35
- Using Proportions to Solve Ratio Problems
- Practice Problems for Calculating Ratios and Proportions 5:59
- Go to ELM Test - Numbers and Data: Rational Numbers

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