Adding Unlike Fractions
Grade 7•45 minutes
Learning Objective
I can add fractions with different denominators by finding a common denominator and adding the numerators.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. Explain in your own words why we need a common denominator to add fractions.
2. What is the least common multiple of 4 and 6? How does this relate to adding fractions with denominators of 4 and 6?
3. Calculate the sum of ¼ + ⅚. Show each step.
...and 4 more questions
Educational Video
Adding fractions with unlike denominators introduction
Khan Academy