Adding and Subtracting Fractions

Name:

Date:

📚 Part 1: Warm-up & Multiple Choice

WALT: Add and subtract fractions by finding a common denominator.

Success criteria: I can rename fractions to a common denominator and give a simplified answer.

1. What is 1/3 + 1/3?

1/3

2/3

2. What is 2/5 + 1/10?

3/10

1/2

3/5

3. What is 3/4 − 1/8?

1/2

5/8

3/8

4. Check all that apply: Which problems require finding a common denominator?

1/2 + 3/8

2/7 + 3/7

4/5 − 1/10

Differentiation note: Use fraction strips or a number line for students needing support; challenge advanced learners by choosing the extension question in Part 2.

✏️ Part 2: Short Answers — Show your work

For each question: (a) find a common denominator, (b) rewrite equivalent fractions, (c) add or subtract, (d) simplify or convert to a mixed number.

5. 2/3 + 1/4 = _________

6. 5/6 − 1/4 = _________

7. Word problem: A recipe uses 3/4 cup of flour and you add 1/3 cup more. How much flour do you have now? Show your working and give the answer in a mixed number if needed.

8. Extension challenge (advanced): 5/8 + 7/12 = _______. Simplify or convert to a mixed number.