Adding Fractions with Like Denominators
Subtracting Fractions with Like Denominators
Adding Fractions with Unlike Denominators
Subtracting Fractions with Unlike Denominators
Ms. Butler's Choice
100

7/11 + 3/11=

10/11

100

10/12 - 3/12

7/12

100

5/9 + 3/8

67/72

100

2/4 - 2/11

7/22

100

Two friends wanted to make pasta. The first ingredient was garlic. If Anne prepared 5/12 cup of chopped garlic and Amy prepared 6/12 cup, how much garlic did they prepare in total?

11/12 cup

200

2/9 + 3/9

5/9

200

6/10 - 5/10

1/10

200

1/2 + 2/6

10/12 or 5/6

200

7/9 - 2/3 

2/18 or 1/9

200

Leslie baked one big chocolate cake with caramel frosting. If her brother ate 5/12 of the cake, how much is left for the rest of the family to eat? 

7/12

300

1/4 + 1/4

2/4 or 1/2

300

5/6 - 1/6

4/6 or 2/3

300

2/12 + 5/8

76/96 or 19/24

300

2/3 - 2/4

2/12 or 1/6

300

Holly went to the park. The first animals that she noticed were the ducks at the pond. If a quarter of the ducks were not swimming, what is the fraction of the ducks swimming in the pond?

3/4

400

2/7 + 6/7

8/7 or 1 1/7

400

5/10 - 3/10

2/10 or 1/5

400

6/11 + 2/3

40/33 or 1 7/33

400

4/7 - 6/12

6/84 or 1/14

400

The penguin nursery is open two times a day: 2/3 hour at noon and 5/12 hour in the afternoon. How much time is the penguin nursery open every day?

1 1/12 hours

500

11/12 + 11/12

22/12 or 1 10/12 or 1 5/6

500

12/11 - 6/11

6/11

500

4/5 + 9/11

89/55 or 1 34/55

500

9/12- 5/11

39/132 or 13/44

500

The sharks are fed three times a day. During the morning feeding, 2/15 of a ton of fish is fed. During the afternoon feeding, the weight of fish fed will be 1/15 of a ton more than the fish fed during the morning. If the total weight of fish fed in a day is 1/2 of a ton, how much is fed during the feeding at night?

1/6

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