Klapptest: Brüche addieren

1)
1
6
+
1
2
=
1
6
+
3
6
=
2
3
2)
2
7
+
3
7
=
2
7
+
3
7
=
5
7
3)
9
5
+
9
10
=
18
10
+
9
10
=
27
10
4)
9
4
+
2
11
=
99
44
+
8
44
=
107
44
5)
3
4
+
3
14
=
21
28
+
6
28
=
27
28
6)
2
3
+
6
11
=
22
33
+
18
33
=
40
33
7)
2
5
+
4
3
=
6
15
+
20
15
=
26
15
8)
1
2
+
3
2
=
1
2
+
3
2
= 2
9)
1
11
+
9
10
=
10
110
+
99
110
=
109
110
10)
1
2
+
1
10
=
5
10
+
1
10
=
3
5
11)
3
2
+
4
5
=
15
10
+
8
10
=
23
10
12)
5
11
+
4
3
=
15
33
+
44
33
=
59
33
13)
7
8
+
1
7
=
49
56
+
8
56
=
57
56
14)
1
6
+
5
13
=
13
78
+
30
78
=
43
78
15)
4
5
+
8
11
=
44
55
+
40
55
=
84
55
16)
3
4
+
1
3
=
9
12
+
4
12
=
13
12
17)
4
3
+
7
15
=
20
15
+
7
15
=
9
5
18)
8
5
+
2
5
=
8
5
+
2
5
= 2