Calculate the decimal portion of the first mixed fraction, add the whole number to the result and store that in the calculator's memory.

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.

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.

Revise how to add, subtract, multiply and divide algebraic fractions as well as simplify algebraic fractions with this BBC Bitesize GCSE Maths Eduqas guide.