🎯 Goal
Learn to add and subtract mixed numbers by converting to improper fractions.
📖 Lesson Description
- Convert mixed numbers to improper fractions
- Find LCM of denominators if needed
- Add or subtract fractions
- Convert result back to mixed number if improper
🔎 Examples
- 2 1/3 + 1 2/3 → 7/3 + 5/3 = 12/3 = 4
- 3 1/4 − 1 2/5 → 13/4 − 7/5 → LCM 20 → 65/20 − 28/20 = 37/20 = 1 17/20
âœï¸ Practice
- 1 3/5 + 2 2/5
- 4 1/2 − 1 3/4
- 2 2/3 + 3 1/6