Adding Fractions and Mixed Numbers

Adding Fractions with Like Denominators

100

1/6 + 4/6

5/6

200

3/4 + 1/4

4/4= 1

300

9/10 + 7/10

16/10 = 1 6/10 = 1 3/5

400

2/12 + 4/12

1/2

500

2/15 + 1/15

1/5

Adding Fractions with Unlike Denominators

100

1/4 + 5/8

7/8

200

2/5 + 1/2

9/10

300

7/12 + 1/2

13/12 = 1 1/12

400

5/6 + 2/12

12/12 = 1

500

3/12 + 1/8

9/24 = 3/8

Adding Mixed Numbers with Unlike Denominators

100

4 1/6 + 9 2/3

13 5/6

200

8 1/4 + 8 1/2

16 3/4

300

8 1/6 + 4 1/2

12 2/3

400

8 1/12 + 2 2/3

10 3/4

500

10 5/6 + 8 2/12

19

Estimate Adding Fractions and Mixed Numbers

100

Determine whether the sum is greater than or less than 1.

1/8 + 2/15 + 1/5

Less than 1

200

Estimate the sum.

9/10 + 11/12

1 + 1 = 2

300

Estimate the sum.

4/7 + 6/10

1/2 + 1/2 = 1

400

Estimate the sum.

4/5 + 8 1/6

1 + 8 + 0= 9

500

Estimate the sum.

2 1/4 + 3 3/5

2 + 0 + 3 + 1/2 = 5 1/2

Word Problems

100

Will adds sunflower seeds (3/8 lb) and granola (3/4 lb) to a bag. Do the combined ingredients weigh more or less than 1 pound?

The combined ingredients weigh more than 1 pound.

200

Rebecca bought 5/8 yards of yellow ribbon for a gift box. Then she bought 3/8 yards of red ribbon for a school project. How much ribbon did Rebecca buy in all?

Rebecca bought 1 yard of ribbon in all.

300

Will walks from his home to the store (1/4 mi), then to the park (5/6 mi), then back home (7/8 mi). How far does he walk in all?

Will walks a total of 1 23/24 miles.

400

Rebecca flies 2 5/12 hours and 2 1/3 hours on Saturday. She flies 2 3/4 hours and 2 1/6 hours on Sunday. On which day does she fly longer?

Rebecca flies longer on Sunday.

500

The first level of a house is 10 4/9 feet tall. The second level of the house is 13 1/3 feet tall. What is the total height of the house?

The total height of the house is 23 7/9 feet.