It's easy to add and subtract fractions when the numbers on ... This short animated film on adding and subtracting fractions is from the BBC Teach series, Hyaptia's Mathematical Maze.

It's easy to add and subtract fractions when the numbers on ... This short animated film on adding and subtracting fractions is from the BBC Teach series, Hyaptia's Mathematical Maze.

Although not required for basic addition, Excel has the SUM function, which can simplify adding large ranges of ... you use ...