Adding and Subtracing Fractions

3/9 + 4/9

• 7/18
• 7/9
• 12/9
• 12/81

4/5 - 1/5

• 5/5
• 4/1
• 3/0
• 3/5

2/5  +1/5 + 1/5=

• 3/15
• 4/5
• 2/5
• 4/15

1  1/2  +  2  1/2 =

• 3  2/2
• 4
• 3  2/4
• 3  1/2

3/4  + 2/4 =

• 6/4
• 1  1/2
• 1  1/4
• 2

7/8  +  3/8 =

• 11/8
• 1  2/8
• 1  1/4
• Both 1  2/8 and 1  1/4

If you ran 3  1/4 laps in the gym and walked another 4  2/4 laps, how many laps did you go all together? 

• 8  1/4 laps
• 7  1/2 laps
• 7  3/4 laps
• none of the above

If a bread recipe requires 4 1/2 cups of flour total and you have added 2 cups, how many more cups do you need to add?

• 6  1/2 cups
• 2  1/2 cups
• 3 cups
• 1  1/2 cups

If there are 6 classes of fourth graders and 2 classes go to Lansing together, what is the fraction of fourth grade classes that are still at school?

• 1/2
• 2/6
• 4/6
• 1/3

Solve and simplify to lowest terms.

• a
• b
• c
• d