Use visual fraction models to add and subtract fractions with the same denominators.

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 ...

Fractions can be added in different ways: When fractions have the same denominator close denominatorNumber written on the bottom of a fraction. The denominator is the number of equal parts. Eg ...

There's a helpful shortcut worth remembering: if your fractions already share the same denominator, you can skip straight to adding or subtracting the numerators. No LCD hunting required.

Why do we need equal denominators to add and subtract fractions but not to multiply and divide them?