Adding Fractions with Unlike Denominators
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Objective
I can demonstrate how to add fractions with unlike denominators by converting them to have a common denominator before adding.
Part 1 of 3
Warm-up video
Let's Do Math · 5:44Vetted channel
We don't generate video — this one is by Let's Do Math 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 3
Practice
7 questions
Explain the process of finding a common denominator for the fractions ⅓ and ¼. What is the common denominator, and how do you convert each fraction?
If you have the fractions ⅖ and ⅗, can you add them directly? Why or why not? What would be the first step if they had different denominators?
Part 3 of 3
Exit ticket
Quick comprehension check
“Add the fractions ⅗ and ¼. First, find a common denominator, convert each fraction, and then show your work to find the sum. Add the fractions ⅖ and ⅜. First, find a common denominator, convert each fraction, and then show your work to find the sum.”
Sample answer included in the free materials
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