Let's face it: Even the best budgets can't always predict your actual expenses. Things happen. Unexpected costs arise. That's life. That's why it's so useful to review your budget after a project is ...

WHAT YOU NEED: Whiteboard, pen, ruler and a calculator. Image caption, STEP 1: Write out the problem and circle the key information. Here you want to work out one sixth of 1200 metres... Image caption ...

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.

A fraction is part of a whole. When you find a fraction of an amount, you work out how much that part is worth, compared to the whole. Here is a quarter written as a fraction. The numerator is 1 and ...

Calculating how much you need for retirement is going to be different for everyone. Estimating how much you'll spend in your golden years is the crux of the calculation. Determining a safe withdrawal ...