Adding Fractions
What is the number on the top of a fraction called?
The Numerator
Daily Double!!!!!!!!!!!!
What is the number on the bottom of the fraction called?
The Denominator
1/2 x 2/5 =
2/10
To Divide Fractions: You must
k _ _ p the first number the same.
Keep
1/5 ÷ 3/4 =
4/15
1/2 + 1/4 =
3/4
1/2 - 1/8=
3/8
1/5 x 3/4 =
3/20
Daily Double!!!!!!!!!!!!
To Divide Fractions: You must c _ _ n _ e the division sign.
Change
Daily Double!!!!!!!!!!!!!!!
3 1/4 ÷ 1/2
6 1/2
1/4 + 1/4 + 5/4 =
7/4 or 1 3/4
Bonus 300!!!!!!!!!!!!!!!!!
Bonus 300!!!!!!!!!!!!!!!!!
3/4 x 1/4 =
3/16
To Divide Fractions: You must _ _ _ _ the last number.
flip
Mr Kids wanted to know how many 2/3 litre bottles soda can be filled from a 12 1/2 litres jug. How many bottles will he get?
18 3/4 bottles
Daily Double!!!!!!!!!!!!
In order to add fractions, the Denominators need to be the ________ number.
Same or alike
3/4 - 1/4 =
2/4 or 1/2
1/2 x 1/4 x 4/9 =
1/18
To Divide Fractions: You must change the division sign to a _____________ sign.
Multiplication
Bonus 400!!!!!!!!!!!!!!
Bonus 400!!!!!!!!!!!!!!
2/3 + 3/5 + 5/6 =
1 23/30
1 4/5 - 3/5 - 1/3=
13/15
4/6 x 1/3 x 2 1/2=
5/9
1/2 ÷ 2/5 ÷ 1 2/3=
3/4
How are the operations (signs) are in math? Name them.
4- Addition, Subtraction, Multiplication, Division