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Subtracting Unlike Fractions
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Subtracting Unlike Fractions
🎯 Part 1: Finding Common Denominators
1. What is the least common denominator (LCD) for 1/3 and 1/4?
7
12
6
9
2. Find the LCD for 2/5 and 3/10:
LCD = _____
3. Which fractions are equivalent to 3/4? Check all that apply:
6/8
9/12
12/15
15/20
4. Convert these fractions to have a common denominator of 20:
3/4 = ____/20
1/5 = ____/20
✏️ Part 2: Subtracting Unlike Fractions
5. Solve: 3/4 - 1/3 = ____
6. Calculate: 5/6 - 2/9
7. Find the difference: 7/10 - 3/25
8. Solve: 9/20 - 1/4
📖 Part 3: Word Problems
9. Maria had 3/4 of a pizza. She gave 1/6 of the whole pizza to her friend. How much pizza does Maria have left?
Answer: ________________
10. A recipe calls for 5/8 cup of flour. Jake accidentally added 1/4 cup too much. How much flour should he remove to get the correct amount?
Answer: ________________
11. Sarah ran 7/10 of a mile on Monday and 3/5 of a mile on Tuesday. How much farther did she run on Monday than on Tuesday?
Answer: ________________
12. Explain in your own words how to subtract fractions with unlike denominators:
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