Maths
Adding & Subtracting (related denominators)
Add and subtract fractions whose denominators are multiples of the same number, including mixed numbers.
MathsAge 11+25 minutes
What this topic covers
- Convert to a common denominator before adding or subtracting.
- Add and subtract fractions such as ⅔ + 5/6 and ¾ − 3/8.
- Add and subtract mixed numbers with related denominators.
Core concept summaries
Key ConceptsConvert, Then AddConvert, Then SubtractMixed Numbers and the Add-Denominators Trap
Practice formats pupils may meet
NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.
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