Adding Fractions
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Objective
I can add fractions with unlike denominators by finding a common denominator.
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
To rename a fraction, you multiply both the numerator and the denominator by the same number to obtain an equivalent fraction with the common denominator.
- 3
After renaming fractions with a common denominator, you can add the numerators and keep the denominator the same, then check to see if the answer can be simplified.
Part 3 of 4
Practice
3 questions
What is the first step in adding fractions with unlike denominators?
Explain how finding the least common multiple (LCM) helps when adding fractions with unlike denominators.
Part 4 of 4
Exit ticket
Quick comprehension check
“Solve for the following: ⅖ + ⅓. Show all steps including finding the common denominator.”
Sample answer included in the free materials
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