Adding Fractions (Year 4)

Add and subtract fractions with the same and related denominators.

The questions below are generated to match the National Curriculum for Year 4 and get harder as you progress from Rookie to Guru.

Worked examples

RookieRead and interpret directly.

What is 3/6 + 1/6?

  • 4/12
  • 3/6
  • 4/6
  • 5/6

Answer: 4/6. Same denominator, so add the numerators and keep the denominator: 3 + 1 = 4, giving 4/6.

ProCompare and infer.

What is 3/5 + 1/5?

  • 3/5
  • 4/5
  • 5/5
  • 4/10

Answer: 4/5. Same denominator, so add the numerators and keep the denominator: 3 + 1 = 4, giving 4/5.

GuruMulti-step reasoning.

A baker uses 3/4 of a kilo of flour for one cake and 1/2 of a kilo for another. How much flour did the baker use in TOTAL?

  • 1 1/4 kilo
  • 4/6 kilo
  • 1 kilo
  • 1/2 kilo

Answer: 1 1/4 kilo. Convert 1/2 = 2/4. Then 3/4 + 2/4 = 5/4 = 1 1/4 kilo.

Related skills

Frequently asked questions

What is adding fractions?
Add and subtract fractions with the same and related denominators.
How can my child practise adding fractions at home?
Work through the examples below, then start a free adaptive session. Northstar adjusts the difficulty automatically and tracks mastery over time.

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