Common Denominators and Stuff
Adding and Subtracting Fractions
Mixed Number
100

Common Denominator is...

3/8 and 5/6

48

100

5/12 + 1/3 =

3/4

100

6 3/4 -1 5/8 = 

5 1/8

200

Common Denominator is...

2/9 and 1/6 

18

200

1/6 + 3/4 =

11/12

200

Daily Double


5  3/7  - 2  1/5 = 

3  8/35

300

Common Denominator and rewrite these fractions 

3/4 and 9/10

30/40 and 36/40

300

9/10 - 1/4 =

write your answer in simplest form

13/20

300

12  5/2 - 5  3/4 = 

6  13 / 20

400

Common Denominator and rewrite these fractions 

2/9 and 1/15

10/45 and 3/45

400

5/12 + _____ = 1/2 

Find the missing fraction

1/12

400

9 - 3 7/8 =

5 1/8

500

Common Denominator and rewrite these fractions 7/12 and 5/18

21/36 and 10/36

500

Daily Double

Find the missing fraction 

9/10 - ______ = 1/5

7/10

500

Max needs 10 1/4 cups of flour. He only has  4 1/2 cups of flour. How much more flour does he need? 

5 3/4 cups

M
e
n
u