Related Topics:
More Math Lessons for Grade 4
Free Math Worksheets

Videos, stories, examples, and solutions to help Grade 4 students learn how to add fractions with unlike denominators.

How to add fractions with unlike denominators?
A model of the addition is shown.
Example:
3/5 + 1/2 =
How to add fractions with unlike denominators by building the LCD using prime factors?
Example:
2/15 + 1/24 =
Example:
3/5 + 1/4 =
Learn how to add fractions with unlike denominators, including how to find the LCD
Examples:
1/2 + 2/5 =
2/3 + 1/6 =
How to determine the LCD of two fractions and then practice adding fractions with unlike denominators?
Examples:
2/3 + 1/5 =

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.