Adding and Subtracting Fractions
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Objective
I can add and subtract fractions with unlike denominators.
Part 1 of 4
Warm-up video
Khan Academy · 9:50Vetted channel
We don't generate video — this one is by Khan Academy on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
When adding or subtracting fractions with the same denominator, the denominator stays the same and you add or subtract the numerators.
- 2
To add or subtract fractions with different denominators, you must first find a common denominator by using multiplication.
- 3
When you change the denominator of a fraction, you must also change the numerator by multiplying it by the same number.
Part 3 of 4
Practice
8 questions
Add 3/8 + 2/8
Solve the following: 5/9 - 2/9 = ?
Part 4 of 4
Exit ticket
Quick comprehension check
“Solve: ⁵⁄₆ - ²⁄₉. Show all steps.”
Sample answer included in the free materials
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