Adding Like Denominators

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Date:

🎯 Learning Goals

I can... add fractions with like denominators by adding the numerators and keeping the same denominator.

Success Criteria:

Problem: 2/5 + 1/5 = ?

Step 1: Check that denominators are the same (both are 5) ✓

Step 2: Add the numerators: 2 + 1 = 3

Step 3: Keep the same denominator: 5

Step 4: Write the answer: 3/5

Step 5: Check if it can be simplified (3/5 is already in simplest form)

1. 1/4 + 2/4 = _______

2. 3/8 + 1/8 = _______

3. 2/6 + 1/6 = _______

4. 1/3 + 1/3 = _______

5. 4/9 + 2/9 = _______

6. 1/7 + 3/7 = _______

7. 3/10 + 5/10 = _______

8. 2/12 + 4/12 = _______ (Simplify your answer)

9. 1/5 + 1/5 + 2/5 = _______

10. Word Problem: Sarah ate 2/8 of a pizza and her brother ate 3/8 of the same pizza. How much pizza did they eat together?

Reflection: What is the most important rule to remember when adding fractions with like denominators?