### Adding Fractions with Like Denominators

```Practice
Name
12-2
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