Understanding Adding and Subtracting Fractions with Unlike Denominators
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Beginner
Start here! Easy to understand
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Beginner Explanation
When adding or subtracting fractions with unlike denominators, find the least common multiple of the denominators and make them the same.
Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
What is the sum of $\frac{1}{3}$ and $\frac{2}{5}$?
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2
Real-World Problem
Question Exercise
Intermediate
Baking Scenario
You're baking a cake and the recipe calls for $\frac{2}{3}$ cup of sugar. You've already put in $\frac{1}{4}$ cup. How much more do you need to add?
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
If I have $\frac{1}{2}$ of a pizza and you have $\frac{1}{3}$ of a pizza, who has more?
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4
Challenge Quiz
Single Choice Quiz
Advanced
What is the result when you subtract $\frac{2}{5}$ from $\frac{3}{4}$?
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Recap
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