adding and subtracting frictions.

Adding

100

2/6 + 4/5

 1 4/30

200

4/8 + 1/2

1

300

9/12 + 8/12

1 5/12

400

4/10 + 40/100

80/100

500

6/10 + 7/20

19/20

Subtracting

100

30/50 - 2/10

20/50

200

2/6 - 3/12

1/12

300

5/10 - 3/100

47/100

400

5/7 - 1/2

3/14

500

50/60 - 10/20

20/60

Mixed numbers

100

5 3/5 - 4 2/5

1 1/5

200

10 5/9 + 100 2/3

120 2/9

300

5 6/8 - 10/16

5 2/16

400

45 4/8 + 1 /10

45 41/80

500

11 4/5 - 10 1/2

11 5/15

word problem

100

Alyea had 5/10 of snow balls. Lexie had 10/20 of snow balls. How much snow balls do they have in all.

20/20

200

Christian got 3/5 of his shots in the hoop. Aidan got 1/3 shots in the hoop. Who had less shots in?

Aidan

300

Easton fixed 3/10 of the car. His dad fixed 5/10. How much of the car did they fix?

8/10

400

Savanna did 5/8 of the game. Catherine did 1/10 of the game. Who played longer?

Savanna

500

Cordon made a statue in Minecraft that was 5/7 blocks tall. Jordan made a statue that was 6/7 blocks tall. How tall is both of the statues combined?

1 4/7

Estimate

100

1/6 + 4/8

1/2

200

 2/3 - 3/6

0

300

6/12 + 2/3

1

400

4/6 - 6/8

0

500

3/4 + 9/12

1 1/2