Mathematics·Fractions·procedural
Adding and subtracting mixed numbers
Add and subtract mixed numbers with like denominators, including by converting to improper fractions or using properties of operations
Suggested ages 9–10
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 2 3/5 + 1 4/5 and express as a mixed number
- Subtract 3 1/4 from 5 3/4
- Solve 4 2/6 − 1 5/6 by regrouping the whole number
Assessment prompt
If a recipe calls for 1 and 2/5 cups of oats and another batch needs 2 and 3/5 cups, can Adding and subtracting mixed numbers add them together to get the total — including converting when the fifths add up past a whole?
Standards alignment
No external standards are linked to this topic.