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Adding Fractions Riddle Worksheet

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Adding Fractions Riddle Worksheet

Adding Fractions Riddle Worksheet

Fractions and riddles illustration

📚 How to Add Fractions with Different Denominators

Step 1: Find the Least Common Multiple (LCM) of the denominators

Step 2: Convert both fractions to equivalent fractions with the same denominator

Step 3: Add the numerators and keep the denominator the same

Step 4: Simplify if possible

Example: 1/3 + 1/4

LCM of 3 and 4 = 12

1/3 = 4/12 and 1/4 = 3/12

4/12 + 3/12 = 7/12

🔍 Riddle 1: What has hands but cannot clap?

Solve these problems to find the answer! Match your answers to the letters below.

1. 1/2 + 1/4 = ?
2. 1/3 + 1/6 = ?
3. 2/5 + 1/10 = ?
4. 1/4 + 1/8 = ?
5. 3/8 + 1/4 = ?

Answer Key: 1/2 = C, 3/4 = L, 5/8 = O, 3/8 = K, 1/2 = C

Riddle Answer: Write the letters in order: _____ _____ _____ _____ _____

🎯 Riddle 2: What gets wetter the more it dries?

Choose the correct answers to reveal the solution!

6. What is 1/6 + 1/3?

2/9 (R)

1/2 (T)

2/6 (S)

7. What is 3/10 + 1/5?

4/15 (M)

1/2 (O)

4/10 (N)

8. What is 1/8 + 3/4?

4/12 (P)

7/8 (W)

1/2 (Q)

9. What is 2/3 + 1/9?

3/12 (B)

7/9 (E)

1/3 (F)

10. What is 1/4 + 1/12?

2/16 (G)

1/3 (L)

2/12 (H)

Riddle Answer: Write your chosen letters in order: _____ _____ _____ _____ _____

🧩 Riddle 3: Fill in the Missing Fractions

Complete these addition problems to solve the final riddle: "What has keys but no locks?"

11. 1/5 + _____ = 3/5
12. _____ + 1/8 = 5/8
13. 1/3 + _____ = 2/3
14. _____ + 1/6 = 1/2
15. 1/4 + _____ = 3/4

Answer Decoder:

2/5 = P, 4/8 = I, 1/3 = A, 2/6 = N, 2/4 = O

Final Riddle Answer: _____ _____ _____ _____ _____

🎨 Challenge: Create Your Own Fraction Riddle

16. Write your own fraction addition problem:
17. Create a riddle question for your classmates:
18. What's the answer to your riddle?

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