# How to Add & Subtract Inequalities?

Inequalities are mathematical expressions that use "", "=" symbols instead of "=." Inequalities work very similarly to equalities in most cases. The signs indicate the direction of the inequality. ...
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http://www.ehow.com/how_8190469_add-subtract-inequalities.html

## How to Subtract?

Subtraction is a simple mathematical operation that determines the difference between two numbers. Subtract smaller numbers mentally or use a pen and paper or electronic device for more complicated...
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http://www.ehow.com/how_8268249_subtract.html

## How to Add and Subtract Like Fractions?

Your earliest introduction to fractions was probably in the form of a pie chart. The numerator, or top number in the fraction, tells you how many pieces you have, and the denominator tells you how ...
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http://www.wikihow.com/Add-and-Subtract-Like-Fractions

## How to Subtract in Your Head?

Few subjects cause more anxiety in students than math. This increases when a calculator is nowhere in sight. Fortunately, when working on a subtraction problem, you can use two helpful techniques t...
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http://www.ehow.com/how_8249270_subtract-head.html

## How to Add & Subtract Integers?

An integer is any positive or negative whole number, as well as the number zero. Adding and subtracting integers is a task that you might find in math classes ranging from elementary school through...
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http://www.ehow.com/how_8076874_add-subtract-integers.html