Klapptest: Brüche addieren

1)
1
11
+
5
3
=
3
33
+
55
33
=
58
33
2)
2
5
+
6
13
=
26
65
+
30
65
=
56
65
3)
8
3
+
2
5
=
40
15
+
6
15
=
46
15
4)
3
2
+
5
12
=
18
12
+
5
12
=
23
12
5)
9
10
+
9
2
=
9
10
+
45
10
=
27
5
6)
3
10
+
2
3
=
9
30
+
20
30
=
29
30
7)
5
7
+
3
4
=
20
28
+
21
28
=
41
28
8)
1
4
+
9
4
=
1
4
+
9
4
=
5
2
9)
7
10
+
9
7
=
49
70
+
90
70
=
139
70
10)
1
2
+
1
5
=
5
10
+
2
10
=
7
10
11)
7
2
+
1
11
=
77
22
+
2
22
=
79
22
12)
8
3
+
2
3
=
8
3
+
2
3
=
10
3
13)
3
5
+
3
4
=
12
20
+
15
20
=
27
20
14)
8
9
+
1
12
=
32
36
+
3
36
=
35
36
15)
3
4
+
4
7
=
21
28
+
16
28
=
37
28
16)
3
2
+
6
5
=
15
10
+
12
10
=
27
10
17)
5
6
+
3
2
=
5
6
+
9
6
=
7
3
18)
2
3
+
5
13
=
26
39
+
15
39
=
41
39