# How to add and subtract negative and positive fractions

## Adding and Subtracting Fractions with Negatives Practice adding and subtracting positive and negative fractions.

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Add and subtract proper and improper fractions with this calculator and see the work involved in the solution. Select the number of fractions in your equation and then input numerators and denominators in the available fields. Click the Calculate button to solve the equation and show the work. When fractions have the same denominators we simply add or subtract the numerators as indicated and place the result over the common denominator. If necessary we can simplify the fraction to lowest terms or a mixed number.

Negative fractions are like any other fraction, except that they have a preceding negative - sign. The process of adding and subtracting negative fractions can be straightforward, if you keep in mind two things. A negative fraction added to another negative fraction will result in a negative fraction as result. A negative fraction subtracted from another is the same thing as adding the positive complement of that fraction. Make the denominators the bottom of the fraction the same, if they are not already. You can only add halves to halves or quarters to quarters or tenths to tenths and so on.

Once you've learned how to add and subtract positive fractions , you can extend the method to include negative fractions. When you are adding or subtracting a negative fraction, you usually want to consider the numerator as negative. The method is just the same, except now you may need to add negative or positive numerators. The LCM of 5 and 3 is To add the fractions with unlike denominators, rename the fractions with a common denominator.

If you're seeing this message, it means we're having trouble loading external resources on our website. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Adding fractions with different signs. Next lesson. Current timeTotal duration Adding fractions unlike denominators Subtracting fractions unlike denominators. And there's many ways to do this.

If you're seeing this message, it means we're having trouble loading external resources on our website. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Math Algebra basics Foundations Fractions. Adding fractions word problem: paint. Adding fractions with different signs. Multiplying positive and negative fractions.

## Adding fractions with different signs

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Practice: Adding & subtracting negative fractions · Multiplying positive and negative.
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## 2 thoughts on “How to add and subtract negative and positive fractions”

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Once you've learned how to add and subtract positive fractions, you can extend the method to include negative fractions. Note that: ?23 is the same as ?2 3 and.