Klapptest: Brüche addieren

1)
1
2
+
4
5
=
5
10
+
8
10
=
13
10
2)
1
3
+
7
10
=
10
30
+
21
30
=
31
30
3)
4
5
+
6
7
=
28
35
+
30
35
=
58
35
4)
3
5
+
2
5
=
3
5
+
2
5
= 1
5)
3
8
+
5
6
=
9
24
+
20
24
=
29
24
6)
7
5
+
2
9
=
63
45
+
10
45
=
73
45
7)
6
7
+
1
4
=
24
28
+
7
28
=
31
28
8)
5
12
+
2
3
=
5
12
+
8
12
=
13
12
9)
1
4
+
9
13
=
13
52
+
36
52
=
49
52
10)
2
5
+ 2 =
2
5
+ 2 =
12
5
11)
3
2
+
8
3
=
9
6
+
16
6
=
25
6
12)
5
11
+
3
5
=
25
55
+
33
55
=
58
55
13)
2
9
+
2
7
=
14
63
+
18
63
=
32
63
14)
9
2
+
8
5
=
45
10
+
16
10
=
61
10
15)
1
5
+
7
2
=
2
10
+
35
10
=
37
10
16)
1
2
+
9
10
=
5
10
+
9
10
=
7
5
17)
1
4
+
7
8
=
2
8
+
7
8
=
9
8
18)
1
8
+
1
2
=
1
8
+
4
8
=
5
8