Why Cross Multiply Fractions in Equations

The reason to cross-multiply fractions in equations is that this is an easy way to “solve for X”.

The simple “lesson” in my latest Decoded Science article, “Cross Multiply to Solve Equations with Fractions“, shows how to do this.

From Simple Examples to the General Rule for Cross Multiplying Fractions

"Simplest Cross Multiplication of Fractions" : image by Mike DeHaan
“Simplest Cross Multiplication of Fractions” : image by Mike DeHaan

I made this image to summarize the process; my article explains how to cross multiply fractions step by step, starting with simple examples.

I also learned something from my editor about using WordPress, but that story is the writing tip in “Preview of Cross Multiplication of Fractions“.

Do You Need Help Learning Fractions?

As my main article notes, if you need help learning math and your teacher can’t help, consider finding a math tutor online, or taking online math courses.
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Another approach is to use fractions worksheets for extra practice.

CourseSmart sells e-book course materials; check their catalogue for appropriate math textbooks or workbooks.

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Thank you for reading about solving equations by cross multiplying fractions.

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