Klapptest: Brüche addieren

1)
6
7
+
9
10
=
60
70
+
63
70
=
123
70
2)
8
5
+
3
4
=
32
20
+
15
20
=
47
20
3)
1
2
+
7
13
=
13
26
+
14
26
=
27
26
4)
2
9
+
1
2
=
4
18
+
9
18
=
13
18
5)
1
2
+
5
14
=
7
14
+
5
14
=
6
7
6)
1
11
+
9
2
=
2
22
+
99
22
=
101
22
7)
7
5
+
1
7
=
49
35
+
5
35
=
54
35
8)
2
9
+
8
9
=
2
9
+
8
9
=
10
9
9)
2
3
+
1
2
=
4
6
+
3
6
=
7
6
10)
8
3
+
1
13
=
104
39
+
3
39
=
107
39
11)
8
5
+
2
3
=
24
15
+
10
15
=
34
15
12)
2
3
+
9
10
=
20
30
+
27
30
=
47
30
13)
4
7
+
6
11
=
44
77
+
42
77
=
86
77
14)
3
10
+
1
5
=
3
10
+
2
10
=
1
2
15)
6
7
+
1
2
=
12
14
+
7
14
=
19
14
16)
1
4
+
5
9
=
9
36
+
20
36
=
29
36
17)
1
4
+
5
12
=
3
12
+
5
12
=
2
3
18)
5
9
+
6
5
=
25
45
+
54
45
=
79
45