Fractions are the basis for most higher-level mathematics. Students need to master the numerical values in earlier grades to tackle topics like algebra later. There’s only one hitch: Fractions can ...

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!

There are two basic ways to do fractions on your iPhone calculator. Here's what you need to know to use the built-in app.

Click to see a step-by-step slideshow. Image caption, STEP 1 - When adding fractions it can be useful to visualise it. Draw a square with 4 columns and shade in one of the columns. This represents ¹/₄ ...