Have you ever tried to add or subtract fractions that have different denominators? It’s tricky, right? Join Ms. Susanna Post in this lesson to learn how to solve these types of challenging problems!

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When you're multiplying fractions by an integer (or a whole number) you multiply the numerator of the fraction by the whole number, whilst the denominator of the fraction stays the same. Think about ...

Newark public schools are cautiously trying out a new automated teaching aid from Khan Academy. The preliminary report card: “could use improvement.” By Natasha Singer Natasha Singer, who covers ...