Adding and Subtracting Fractions

Like Denominators

100

3/8+4/8=?

7/8

200

7/10 - 2/10=

5/10 = 1/2

300

9/12 + 1/12 =

10/12/ 5/6

400

11/15- 4/15 =

7/15

500

5/9 + 2/9 - 1/9=

6/9 / 2/3

Unlike Denominators

100

1/2 + 1/3=

3/6 + 2/6= 5/6

200

2/5 + 3/10=

4/10 + 3/10 + 7/10

300

5/6 - 1/4=

10/12 - 3/12= 7/12

400

3/8 + 2/3=

9/24 + 16/24= 25/24 / 1 1/24

500

7/1- 3/5=

7/10 - 6/10 = 1/10

Mixed Numbers

100

2 1/2 + 1 1/2=

4

200

3 3/4 - 1 1/2=

2 1/4

300

4 2/3 + 1 1/2=

6 5/6

400

5 1/4 - 2 3/8=

2 7/8

500

7 2/5 + 3 4/10=

11

Word Problems

100

Maria ate 3/8 of a cake, and John ate 1/8. How much did they eat together?

4/8=1/2

200

A rope is 2 3/4 meters long. If you cut off 1 1/2 meters, how much rope remains?

1 1/4 Meters

300

Tim biked 4 1/3 miles on Monday and 3 2/3 miles on Tuesday. How many miles total?

8 miles

400

You poured 5/6 of a cup of juice and then added 2/3 more. How much juice in total?

1 1/2 cups

500

A baker used 2 1/4 cups of sugar for cookies and 1 2/3 for cake. How much total sugar?

3 11/12 cups

Challenge Round

100

7/12 + 5/8=

14/24 + 15/24= 29/24 =1 5/24

200

6 3/6 - 2 4/5=

3 4/5

300

11/20+3/5−1/4=

11/20+12/20−5/20=18/20=9/10

400

3 3/8+1 5/6=

5 7/24

500

4/9+7/12−5/6=

16/36+21/36−30/36=7/36