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To add or subtract fractions, they must have the same denominator. If they do not, make the least common multiple of all of the denominators the new denominator. After adding or subtracting, reduce your answer.
When giving the fractions like denominators, whatever number you multiply the old denominator of a fraction by, you must also multiply it by the numerator.

Welcome to the presentation on adding and subtracting fractions. Let's get started . Let's start with what I hope shouldn't confuse you too much. This should ...

Practice adding fractions that have different denominators.

## Fractions - Adding and Subtracting fractions - First Glance - Math.com

www.math.com/school/subject1/lessons/S1U4L3GL.html

Like fractions are fractions with the same denominator. You can add and subtract like fractions easily - simply add or subtract the numerators and write the sum ...

## Adding and subtracting fractions and mixed numbers-- A complete ...

A FRACTION IS A NUMBER we need for measuring (Lesson 20); therefore we sometimes have to add or subtract them. Now, to add or subtract anything, the ...

## Adding and Subtracting Fractions With Different Denominators ...

This is a bit tricky, but you'll think it's easy once you get used to it! Let's try this: 1/2 + 1/3. The main rule of this game is that we can't do anything until the ...

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Fun math practice! Improve your skills with free problems in 'Add and subtract fractions' and thousands of other practice lessons.