Adding Fractions with Unlike Denominators
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Objective
I can add fractions with different denominators by rewriting them with a common denominator.
Part 1 of 3
Warm-up video
mathantics · 5:07Vetted channel
We don't generate video — this one is by mathantics 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 why we need a common denominator to add or subtract fractions. Use an example to illustrate your explanation.
What are equivalent fractions? Create two equivalent fractions for ⅗.
Part 3 of 3
Exit ticket
Quick comprehension check
“Sarah used ⅖ of a bag of flour for baking cookies and ¼ of the same bag for making a cake. What fraction of the bag of flour did she use in total? Solve by rewriting the fractions with a common denominator using the "easiest common denominator" method. Show your work. Tom walked ⅓ of a mile to the store and then ⅚ of a mile to his friend's house. What total fraction of a mile did he walk? Solve by rewriting the fractions with a common denominator using the "easiest common denominator" method. Show your work.”
Sample answer included in the free materials
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