Common Denominators - Add Subtract
Storyboard Beskrivning
adding fractions and subtracting fractions
Storyboard Text
- Glida: 1
- 1 7
- 5 7
- 6 7
- When fractions have the same denominator, adding fractions is easy! Just add the numerators.
- Glida: 2
- ?
- ?
- 3 8
- 1 4
- 4 12
- When the denominators are different, it is much trickier!
- Glida: 3
- Re-name-inator
- =
- 2 8
- 1 4
- We just have to rename the fractions before we can do anything with them! You shall become re-name-inators!
- Glida: 4
- 3 8
- 1 4
- 3 8
- 2 8
- 5 8
- Once you rename the fractions so they all have the same denominators, adding and subtracting fractions is easy again.