Adding
Subtraction
Adding & Subtracting Mixed Numbers
Subtraction with Regrouping
Word Problems
100

1/2 + 3/15

21/30 = 7/10

100

7/8 - 2/5 

19/40

100

9 1/5 - 1 6/10

76/10= 38/5 = 7 3/5

100

8 9/10 - 3 2/3

5 7/30

100

Cynthia used 7 tubes of glow in the dark colors to paint the moon and the star in her bedroom and  4/5  of a tube to paint her lamp shade.  How many tubes of paint did she use in all?

39/5 = 7 4/5

200

1/3 + 3/8

17/24

200

1/7 - 1/11

4/77

200

3 1/2 + 9 3/6

78/6 = 13/1 = 13

200

7 5/12 - 2 1/2

4 11/12

200

A crayon is 3 in long.  A pencil is  5/2  in longer than the crayon.  What is the length of the pencil?

11/2 = 5 1/2

300

1/2 + 3/7

13/14

300

14/15 - 1/2

13/30

300

3 1/6 + 4 1/12

87/12 = 29/4 = 7 1/4

300

19 2/3 - 11 5/8

8 1/24

300

A farmer had 16 sacks of corn, to which he adds  7/9 of a sack.  How many sacks of corn does he have now?

151/9 = 16 7/9

400

1/3 + 7/17

38/51

400

4/7 - 3/6

3/42 = 1/14

400

5 1/4 - 5/8

37/8 = 4 5/8

400

14 4/10 - 13 1/3

1 1/15

400

Mia mixed 6 bars of dark chocolate with  7/4 bars of white chocolate to coat strawberries.  How many bars of the 2 chocolates did she mix?

7 3/4

500

5/6 + 1/19

101/114

500

8/9 - 6/19

98/171

500

7 2/15 - 2 2/3

67/15 = 4 7/15

500

16 3/9 - 10 2/5

5 14/15

500

 5/8  of the staff are male.    5/12  of the staffwork part time at the aquarium.  What fraction of the staff is female?

3/8