C Curriculum Explorer
Mathematics·Fractions·procedural

Adding fractions (different denominators)

Add and subtract fractions with denominators that are multiples of the same number by finding a common denominator

Suggested ages 9–10

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Learning journey

Your child is exploring fractions, decimals, and percentages — understanding how they relate to each other, adding and subtracting fractions, and solving real-world problems involving these concepts.

Evidence of understanding

  • Calculate 1/3 + 1/6 by converting to sixths: 2/6 + 1/6 = 3/6 = 1/2
  • Calculate 3/4 − 1/8 by converting to eighths
  • Add 2/5 + 3/10 and simplify the answer

Assessment prompt

If Adding fractions (different denominators) needs to add 1/3 and 1/6, can they find a common denominator and work out the total — showing their working?

Standards alignment

No external standards are linked to this topic.