Adding and Subtracting Fractions
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Objective
I can add and subtract fractions with unlike denominators.
Part 1 of 3
Key concepts
3 concepts
- 1
When adding or subtracting fractions, it is important that they have the same denominator.
- 2
To add fractions with different denominators, you must first find a common denominator before adding the numerators.
- 3
To subtract 1/3 from 1/2, you can convert 1/2 to 3/6 and 1/3 to 2/6, then subtract the numerators to get 1/6.
Part 2 of 3
Practice
7 questions
What must be true about the denominators of two fractions before you can add or subtract them?
Explain the process of finding a common denominator when adding or subtracting fractions with unlike denominators.
Part 3 of 3
Exit ticket
Quick comprehension check
“Solve: ⅗ - ¼. Show all steps.”
Sample answer included in the free materials
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Teacher guide, student handout, and slides — free, in Google Docs format
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