MathematicsFreePrintable
Adding Unlike Fractions
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Adding Unlike Fractions
📚 Part 1: Finding Common Denominators
1. What is the least common denominator (LCD) for 1/4 + 1/6?
10
12
24
8
2. Convert these fractions to have a common denominator: 2/3 + 1/9
2/3 = ______/9 and 1/9 = ______/9
3. Which pairs need to be converted before adding? Check all that apply:
1/5 + 2/5
3/8 + 1/4
2/6 + 1/6
1/3 + 1/6
✏️ Part 2: Solve and Simplify
4. Solve: 1/4 + 1/6 = ________
5. Solve: 5/8 - 1/4 = ________
6. Solve: 3/5 + 2/10 = ________ (Simplify your answer)
7. Emma ate 1/3 of a pizza and then ate 1/6 more. How much pizza did she eat in total?
🎯 Part 3: Challenge Problems
8. Jake walked 3/4 of a mile to school and 2/3 of a mile to the store. How far did he walk in total?
9. Sarah had 7/8 of a cup of flour. She used 1/2 cup for cookies. How much flour does she have left?
10. Explain in your own words: Why do we need to find a common denominator before adding unlike fractions?
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