Adding Fractions
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Objective
I can add fractions with unlike denominators and simplify the result.
Part 1 of 4
Warm-up video
Math with Mr. J · 7:40Vetted channel
We don't generate video — this one is by Math with Mr. J 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 fractions with unlike denominators, the first step is to find a common denominator by determining the least common multiple of the denominators.
- 2
After finding the common denominator, you must rename the fractions so that they have the common denominator, being sure to multiply both the numerator and denominator by the same number to keep the fractions equivalent.
- 3
Once the fractions have a common denominator, you can add the numerators and keep the denominator the same, then check to see if the resulting fraction can be simplified.
Part 3 of 4
Practice
6 questions
What is the first step in adding fractions with unlike denominators?
Explain why it is necessary to find a common denominator before adding fractions.
Part 4 of 4
Exit ticket
Quick comprehension check
“Solve for: ⁵⁄₁₂ + ¹⁄₈. Make sure to simplify your answer.”
Sample answer included in the free materials
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