Grade 4 Adding Fractions With Like Denominators Worksheets
Start with eight focused practice problems, then use the answer key below to check the worksheet.
Practice Worksheet
Grade 4 Adding Fractions With Like Denominators Practice
Solve each problem. Show your work.
- 1.3/6 + 4/6 = ___
- 2.1/2 + 1/2 = ___
- 3.4/6 + 3/6 = ___
- 4.6/10 + 4/10 = ___
- 5.6/9 + 8/9 = ___
- 6.5/6 + 1/6 = ___
- 7.3/6 + 1/6 = ___
- 8.1/6 + 4/6 = ___
Show answer key
- Question 1: 7/6
- Question 2: 1/1
- Question 3: 7/6
- Question 4: 1/1
- Question 5: 14/9
- Question 6: 1/1
- Question 7: 2/3
- Question 8: 5/6
Next Steps
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About These Worksheets
Grade 4 students learn to add fractions with like denominators, using visual models to understand why only the numerators combine.
These worksheets for adding fractions with like denominators help students master the simplest case of fraction addition: when two fractions already share the same denominator, students simply add the numerators and keep the denominator unchanged (2/8 + 3/8 = 5/8). Visual models like fraction bars and pie pieces show why this works, reinforcing that the denominator names the size of the pieces while the numerator counts how many pieces there are.
Problems progress from straightforward sums to those requiring students to simplify the resulting fraction or convert an improper fraction into a mixed number. This is the essential first step before students tackle the more complex skill of adding fractions with unlike denominators, and strong practice here builds the confidence and number sense students need for that next stage.
Skills Practised
- Adding fractions that share the same denominator
- Understanding why the denominator stays the same when adding
- Simplifying sums to lowest terms
- Converting improper fraction sums into mixed numbers
- Modelling fraction addition with fraction bars and pie diagrams
- Solving word problems involving like-denominator addition
Parent Tip: Use pizza or pie slices as a hands-on model — combining 2 slices of an 8-slice pie with 3 more slices of the same pie makes 2/8 + 3/8 = 5/8 concrete.