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Course: 5th grade (Eureka Math/EngageNY)?>?Unit 3
Lesson 2: Topic B: Making like units pictorially- Estimate to add and subtract fractions with different denominators
- Visually adding fractions: 5/6+1/4
- Visually subtracting fractions: 3/4-5/8
- Visually add and subtract fractions
- Finding common denominators
- Common denominators
- Adding fractions with unlike denominators
- Add fractions with unlike denominators
- Subtracting fractions with unlike denominators
- Subtracting fractions with unlike denominators
- Adding fractions word problem: paint
- Subtracting fractions word problem: tomatoes
- Add and subtract fractions word problems
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Common denominators
Problem
We have two fractions, and , and we want to rewrite them so that they have a common denominator (and whole number numerators).
What numbers could we use for the denominator?