Adding and Subtracting Fractions

Adding Fractions

100

1/4 + 2 /4 = 

3/4

200

3/8+5/8=

8/8 or 1

300

3/12 + 1/3 = 

7/12

400

7 /10 + 4/5 = 

15/10 or 1 5/10 or 1 1/2

500

3/4 + 4/6 = 

17/12 or 1 5/12

Subtracting Fractions

100

3/6 - 2/6 =

1/6

200

12/20 - 7/20

5/20 or 1/4

300

8/15 - 1/3 =

3/15 or 1/5

400

19/20 - 4/5

3/20

500

7/8 - 2/3

5/24

Mixed Numbers / Improper Fractions

100

3/2

1 1/2

200

7/4

1 3/4

300

10/4

2 2/4

400

16 / 3

5 1/3

500

5 3/7

38/7

Equivalent Fractions

100

1/2 = __/4

2/4

200

5/10 = __/2

1/2

300

8/10 = __ /5

4/5

400

15/20 = __/4

3/4

500

95/100 = __/20

__/20

Word Problems

100

Jon ate 1/6 of a pizza and his sister ate 2/6 of a pizza. How much did they eat in total?

3/6 or 1/2

200

Lucy ran for 3/4 of a kilometer. Jessica ran for 1/4 of a kilometer. How much further did Lucy run?

2/4 or 1/2

300

There were 4 people at Alpha's birthday party. If everyone ate 1/2 a pizza, how many pizzas did they eat?

4/2 or 2

400

Sandra was growing sunflowers in her garden. Her tallest sunflower was 9/10 of a meter. Her smallest was 1/2 of a meter. What is the difference between the heights?

4/10 of a meter or 2/5 of a meter or 40cm.

500

During the fun run, Becky ran around the track 3 5/6 times. Her friend, Harry, ran around 1 1/3 times. Their teacher, Mr M, only managed to run 1/2 around the track before giving up. How much did they run in total?

3 5/6 + 1 2/6 + 3/6 =  4 10/6 = 5 4/6