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Support your knowledge of this topic by looking at these guides on Lowest Common Multiple and equivalent fractions. Look at the examples below on how to add and subtract fractions and mixed numbers.

Erica Zippert has received funding from the Heising-Simons Foundation for her research. Bethany Rittle-Johnson receives funding from the U.S. Department of Education Institute of Education Sciences, ...

Kids love this engaging way of learning basic addition and subtraction facts by performing along with DJ Doc Roc and the Get Smart Crew Positive lyrics and entertaining rap music make this rhythmic ...

Learn about efficient addition and subtraction methods. Add numbers with up to 4 digits together Learn how to add numbers with up to 4 digits together. Subtract up to 4-digit numbers Learn how to ...

Years ago, when her eighth-graders struggled with basic subtraction, teacher Rita Frenzel tried something different: She taught them chess. The math scores climbed, and so did a passion that would ...