Revise how to add, subtract, multiply and divide fractions, how to use a calculator for fractions and how to find fractions of amounts in this GCSE maths guide.

Understanding Concepts of Dividing Fractions: find the topic and its importance and types. Download or read complete content here.

The common denominator model, while not really a picture, demonstrates that the same rules apply to multiplication and division with fractions. It also shows why “invert and multiply” works.

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.