Mathematics Grade 3 15 min

Add and subtract fractions with like denominators

Add and subtract fractions with like denominators

What you'll learn

  • Identify the numerator and denominator in a fraction with 100% accuracy.
  • Solve addition problems involving two fractions with the same denominator and express the answer in simplest form with at least 80% accuracy.
  • Solve subtraction problems involving two fractions with the same denominator and express the answer in simplest form with at least 80% accuracy.
  • Explain why we can only add or subtract fractions that have the same denominator using pictures or words with 75% accuracy as judged by a rubric.

Tutorial Preview

1

What is 1/5 + 3/5?

2

What is 6/8 - 2/8?

3

What is 2/6 + 4/6?

Sample Practice Questions

Easy
What is 1/4 + 1/4?
0.2/8
1.1/4
2.2/4
3.1/8
Easy
What is 1/3 + 1/3?
0.2/6
1.2/3
2.1/3
3.1/6
Easy
Solve: 2/3 - 1/3
0.1/0
1.3/3
2.1/3
3.1/6

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Frequently asked questions

What grade level is "Add and subtract fractions with like denominators"?

Add and subtract fractions with like denominators is a Grade 3 Mathematics lesson on ExcelOS.

What will I learn in Add and subtract fractions with like denominators?

You'll be able to: Identify the numerator and denominator in a fraction with 100% accuracy; Solve addition problems involving two fractions with the same denominator and express the answer in simplest form with at least 80% accuracy; Solve….

Is "Add and subtract fractions with like denominators" 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 with like denominators?

This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.

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