Klapptest: Brüche addieren

1)
8
3
+
1
5
=
40
15
+
3
15
=
43
15
2)
7
11
+
1
8
=
56
88
+
11
88
=
67
88
3)
9
7
+
4
5
=
45
35
+
28
35
=
73
35
4)
3
11
+
1
3
=
9
33
+
11
33
=
20
33
5)
1
3
+
1
7
=
7
21
+
3
21
=
10
21
6)
1
3
+
7
13
=
13
39
+
21
39
=
34
39
7)
2
9
+
4
5
=
10
45
+
36
45
=
46
45
8)
1
11
+
7
9
=
9
99
+
77
99
=
86
99
9)
8
9
+
6
13
=
104
117
+
54
117
=
158
117
10)
2
7
+
8
15
=
30
105
+
56
105
=
86
105
11)
2
3
+
1
11
=
22
33
+
3
33
=
25
33
12)
1
4
+
8
13
=
13
52
+
32
52
=
45
52
13)
1
2
+
7
10
=
5
10
+
7
10
=
6
5
14)
1
3
+
2
5
=
5
15
+
6
15
=
11
15
15)
1
5
+
9
7
=
7
35
+
45
35
=
52
35
16)
1
2
+
2
3
=
3
6
+
4
6
=
7
6
17)
8
11
+
5
6
=
48
66
+
55
66
=
103
66
18)
9
8
+
1
9
=
81
72
+
8
72
=
89
72