Adding and subtracting fractions with unlike denominators

3 videos
3 skills
Learn how to add and subtract fractions that have different denominators.

How to add fractions that have different denominators

VIDEO 4:06 minutes
To solve this problem, we need to find the least common multiple to get at the common denominator. Can you help? We bet you can!

Example of adding fractions with unlike denominators

VIDEO 2:33 minutes
To add these fractions we need to find a common denominator. The answer can be expressed as a mixed number. Let's try together.

Adding fractions with unlike denominators

PRACTICE PROBLEMS
Practice adding fractions that have different denominators.

Example of subtracting fractions with unlike denominators

VIDEO 4:24 minutes
If you conquered adding fractions with different denominators, then subtracting fractions will be a snap. Don't worry...we'll take it slow and explain every step.

Subtracting fractions with unlike denominators

PRACTICE PROBLEMS
Practice subtracting fractions that have different denominators.

Adding and subtracting fractions with unlike denominators

PRACTICE PROBLEMS
Practice adding and subtracting fractions with unlike denominators.