How to Divide Fractions by Fractions: Keep, Change, Flip Method
The Organic Chemistry TutorApril 6, 20251 min95,216 views
1 connections·2 entities in this video→Dividing Fractions: The Keep, Change, Flip Method
- 💡 To divide two fractions, remember the phrase Keep Change Flip.
- 🎯 Keep the first fraction as it is.
- 🔄 Change the division operation to multiplication.
- ⬆️ Flip the second fraction (find its reciprocal).
Example 1: 2/3 divided by 1/5
- ➕ First, keep the fraction 2/3.
- ✖️ Change the division to multiplication.
- ➗ Flip the second fraction to 5/1.
- ➡️ Multiply across: (2 * 5) / (3 * 1) = 10/3.
- 📝 The answer is 10/3, which is an improper fraction.
Example 2: 4/3 divided by 5/5
- ➕ Keep the first fraction 4/3.
- ✖️ Change division to multiplication.
- ➗ Flip the second fraction to 5/5.
- ✂️ Notice that a 5 can be canceled out (5 divided by 5 is 1).
- ➡️ The remaining calculation is 4/1 * 1/1, resulting in 4/3.
Additional Resources
- 🌐 For more example problems and math topics, visit video-tutor.net.
- 📺 Videos on converting improper fractions to mixed numbers can be found by searching YouTube for "how to convert improper fractions to mixed numbers organic chemistry tutor".
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Fraction DivisionKeep Change FlipReciprocalMultiplication of FractionsImproper FractionsMixed NumbersMath Tutorial
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