1. Adding and Subtracting Fractions©

2. Adding and subtracting fractions
Just like with numbers, we can add and subtract fractions 1 1 2 1 3 2 + + + 2 2 4 4 8 8 2 1 3 1 7 2 - - - 2 2 4 4 8 8 ©

3. It is easier to do add fractions if we use diagrams to help us
Adding fractions
It is easier to do add fractions if we use diagrams to help us 1 1 2 1 3 2 + = + = + = 2 2 4 4 8 8 ©

4. Subtracting fractions
It is easier to do to subtract fractions we use diagrams to help us 2 1 2 1 7 4 - = - = - = 2 2 4 4 8 8 ©

5. To access the remaining 14 slides, covering:
unsuitable diagrams for showing fractions
more adding and subtracting fractions on diagrams examples:
fractions less than a whole, with same denominator
fractions more than a whole, with the same denominator
fractions with different denominators
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