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Changing Fractions into Percent

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A reader in China asked about how to change fractions…not just simple ones, into percent.

“I am trying to assist my 6th grader and my way of doing math works, but it appears complicated [...]

Lowest Common Denominator (LCD)

This post is about meaning and math

First we’ll learn a math concept – Lowest (or Least) Common Denominator (or LCD). Then we’ll talk about how it’s sometimes used in everyday life.

In layman’s (non-mathematician’s, in this case) terms, the LCD is the largest partition of something that will also go into another thing of the [...]