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Add and subtract fractions with the same denominator

Add and subtract like-denominator fractions.

Taught in Primary 4 in Nigeria (NERDC), Year 3 in United Kingdom (National Curriculum), Grade 5 in Canada (Ontario).

Compare curricula (choose 2–3)

Nigeria (NERDC)

Primary 4

Strand
Number and Numeration
Called
Add and subtract fractions with the same denominator
How it's taught
Fractions written symbolically early; equivalent fractions and LCM-based methods with working shown in vertical form.
More Number and Numeration skills at this level

United Kingdom (National Curriculum)

Year 3

Strand
Fractions, Decimals and Percentages
Called
Add and subtract fractions with the same denominator
How it's taught
Fraction bars, strips and number lines; 'simplest form' via common factors; decimals and percentages linked from Year 4 onward.
More Fractions, Decimals and Percentages skills at this level

Canada (Ontario)

Grade 5

Strand
Number
Called
Add and subtract fractions with the same denominator
How it's taught
Delayed to Grade 5 and kept contextual; fractions decomposed into unit fractions on number lines.
More Number skills at this level

Builds on