1. Equivalent Fractions
Raising and Reducing

2. Pizza

3. Pizza
3/4
6/8
9/12

4. Multiply by 1
5 x 1 =
235 x 1 =
2/3 x 1 =
a x 1 = 5
235
2/3 a

5. What is 1?

6. Raising Fractions

7. Raising Fractions
A man walks into the pizza store and orders a medium pizza.
The clerk asks “ Would you like that cut in 8 pieces or 6?”
The man replied “ Make it 6. I don’t think I can eat 8.”

8. Raising Fractions To raise fractions make the denominator larger.
Multiply numerator and denominator (top and bottom) of the fraction by the same number.
This is the same thing as multiplying by 1.

9. Raising Fractions
Multiply numerator and denominator (top and bottom) of the fraction by the same number.
This is the same thing as multiplying by 1.

10. Raising Fractions Raise 3/8 to 56ths.
Multiply numerator and denominator (top and bottom) of the fraction by the same number.

11. Raising Fractions Raise 3/8 to 56ths.
Multiply numerator and denominator (top and bottom) of the fraction by the same number.

12. Reducing Fractions Opposite of raising. Make the denominator smaller.
Divide numerator and denominator by the same number.

13. Reducing Fractions Might take more than one step. More than one way.
Divide numerator and denominator by the same number.

14. Reducing Fractions
Divide numerator and denominator by the same number.

15. Reducing Fractions
Divide numerator and denominator by the same number.

16. Try Some