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How to Use Negative Fractions in Equations

Negative fractions: colorful fractions

A negative fraction is a fraction with a negative sign in front of it. Let's show you how to apply negative fractions to equations.

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Solving Inequalities: How to Use Greater Than and Less Than Signs

Solving inequalities: Math equation in a thought bubble

Before learning how solving inequalities works, we need to know what the direction of the inequality symbols mean in the following inequality signs:

Inequality signs

Now let's show you how solving inequalities is different from solving equations.

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How Do You Find the Lowest Common Denominator Between Fractions?

Lowest common denominator meaning

When two fractions have a common denominator, the bottom number of the two fractions are the same. Here are some examples of common denominators:

Common denominator examples

If two fractions don’t already have a common denominator, you need to see if they have a lowest common denominator (LCD). This allows you to subtract and add fractions.

Here's how to find the lowest common denominator:

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Rounding Decimals to Tenth, Hundredth, and Thousandth Places

Rounding decimals: illustration of a decimal number

Rounding decimals is a simple way to estimate values without having to write countless numbers to the right of the decimal point. You can round decimals to the nearest whole number or the nearest tenth, nearest hundredth, or nearest thousandths decimal. We’ll show you how.

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How to Graph Points on a Coordinate Plane

Cartesian coordinate plane

A coordinate plane is a two-dimensional plane with an x-axis (horizontal) and a y-axis (vertical). These axes intersect to form a perpendicular line that separates the coordinate plane into four quadrants.

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