Klapptest: Brüche addieren

1)
6
5
+
6
5
=
6
5
+
6
5
=
12
5
2)
3
8
+
9
11
=
33
88
+
72
88
=
105
88
3)
3
4
+
1
5
=
15
20
+
4
20
=
19
20
4)
6
7
+
9
2
=
12
14
+
63
14
=
75
14
5)
1
6
+
1
2
=
1
6
+
3
6
=
2
3
6)
3
4
+
1
2
=
3
4
+
2
4
=
5
4
7)
9
11
+
3
4
=
36
44
+
33
44
=
69
44
8)
7
4
+
4
7
=
49
28
+
16
28
=
65
28
9)
2
3
+
6
5
=
10
15
+
18
15
=
28
15
10)
4
5
+
2
7
=
28
35
+
10
35
=
38
35
11)
2
5
+
5
6
=
12
30
+
25
30
=
37
30
12)
5
11
+
8
3
=
15
33
+
88
33
=
103
33
13)
1
2
+
4
11
=
11
22
+
8
22
=
19
22
14)
9
4
+
3
5
=
45
20
+
12
20
=
57
20
15)
5
7
+
5
4
=
20
28
+
35
28
=
55
28
16)
2
7
+
5
6
=
12
42
+
35
42
=
47
42
17)
4
11
+
1
9
=
36
99
+
11
99
=
47
99
18)
1
2
+
6
7
=
7
14
+
12
14
=
19
14