MathematicsFractionsAges 10–11
Adding Fractions (Unlike Denominators)
Add and subtract fractions with unlike denominators (including mixed numbers) by replacing given fractions with equivalent fractions to produce a common denominator
Learning resources
Reviewed external links that reinforce this concept. They do not replace Gakuva’s teaching approach.
No reviewed resources for this concept yet.
The teaching approach above still stands. Curated practice links will appear here as the shelf fills.
Explore the learning path
3 before · 4 after
Loading map…
Before
This concept
Adding Fractions (Unlike Denominators)Procedural concept
Check understanding
- Compute 2/3 + 5/4 by converting to twelfths: 8/12 + 15/12 = 23/12
- Subtract 1 3/5 from 3 1/4 using a common denominator
- Explain the strategy of finding a common denominator and verify using a visual model
“If a recipe uses 2/3 of a cup of one ingredient and 3/4 of another, can your child add those fractions together — even though the denominators are different?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Fractions
- Age range
- Ages 10–11