Adding/ Subtracting Fractions

Misc.(45 secs)

100

DAILY DOUBLE

What does the fraction line tell us to do?

Divide

200

What is the 1st step when solving addition and subtraction problems with unlike denominators?

Find a common denominator.

300

31 divided by 9

3 4/9

400

DAILY DOUBLE

Bennett ate 1/3 of a pizza, and Colton ate 1/8 of the same pizza. How much pizza leftover?

13/24

500

DAILY DOUBLE

What is the last step of adding and subtracting fractions with an improper fraction as your answer?

Simplify.

Unlike Denominators Easy(45 secs)

100

1/4 + 2/6

7/12

200

5/6 - 1/4 =

7/12

300

2/5 - 1/6 =

7/30

400

3/5 + 1/8 =

29/40

500

1/5 + 1/4 =

9/20

Unlike Denominators Medium(50 secs)

100

DAILY DOUBLE

3/5 - 1/7 =

16/35

200

2/4 + 3/9 =

5/6

300

DAILY DOUBLE

5/10 - 1/3 =

1/6

400

4/5- 3/8 =

17/40

500

20/40 + 30/60 =

1

Unlike Denominators Hard(1 min)

100

8/9 - 3/10 =

53/90

200

DAILY DOUBLE

12/20 + 10/15 =

1  4/15

300

3/6 - 8/20 =

1/10

400

DAILY DOUBLE

10/15 + 3/9 =

1

500

DAILY DOUBLE

8/12 + 17/20 =

1  31/60

Mixed Number

100

2 2/3 + 5 4/3

9

200

DAILY DOUBLE

7 7/12 - 3 4/6

71/12 or 3 11/12

300

4 5/1 - 1 2/1  

6/1 or 6

400

3 2/2 +1 3/7 

5 3/7

500

8 1/3 - 3 5/9

4 7/9