Adding Fractions (Common Denominators)

Our Adding Fractions (Common Denominators) worksheet is the ideal starting point for 4th graders learning fraction addition, with matching denominators that let students focus on the core concept.

How to Solve Fractions - Addition

When fractions share the same denominator, simply add the numerators (top numbers) together and keep the denominator the same. For example, 2/5 + 1/5 = 3/5. If the result is an improper fraction (numerator larger than denominator), convert it to a mixed number.

You can view the preview of this worksheet below, or download the full high-resolution PDF along with the answer key for easy grading.