Adding Fractions with Like Denominators

Practice
Name
12-2
Adding Fractions with Like
Denominators
Find each sum. Simplify if possible.
2 + __
 25 
1. __
5
4   + ___
2. ___
 5   
3
3. __
 + __
 1 
3
4. __
 + __
 2 
2   + ___
5. ___
 7   
5
6. __
 + __
 2 
1 + __
7. __
 2 
9
8. ___
   + ___
 2   
8
10
6
10
8
6
10
8
6
12
4   + ___
9. ___
 6   
12
10
6
8
12
2   + ___
10. ___
 9   
12
12
12
1 + __
11. __
 3 + __
 2 
2   + ___
12. ___
  1  +
  ___
 5   
1
4  +
13. ___
  ___
 2   + ___
 12
   
2 + __
14. __
 15 + __
 15 
5
8
12
8
8
10
12
10
10
15. Geometry A side of an equilateral triangle
is _ 28  cm long. Draw a picture that shows the
triangle. What is the perimeter of the triangle?
5
   are sport games
16. Of the computer games Lynne owns, __
 12
3
__
and  12   are educational. What fraction of the games are either
sport games or educational games?
4   
A __
 12
1 
B __
2
C __32 
D __34 
17. Rob and Nancy are working on a project. Rob completes _ 18  of
it on Monday and _ 38  of it on Tuesday. Nancy completes _ 28  of it
on Wednesday and  _18  of it on Thursday. Is the project
complete? Explain.
P 12•2
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