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분수: 분모가 다른 덧셈4분수4

1
4 4
+
7 6
=
26 12
4
+
7
=
13 6
2
6 3
+
1 2
=
15 6
6
+
1
=
5 2
3
1 2
+
2 7
=
11 14
4
2 7
+
4 6
=
40 42
2
+
4
=
20 21
5
6 4
+
1 5
=
34 20
6
+
1
=
17 10
6
6 5
+
3 8
=
63 40
7
3 8
+
5 3
=
49 24
8
5 3
+
9 8
=
67 24
9
8 2
+
1 4
=
17 4
10
1 4
+
3 2
=
7 4
11
6 2
+
4 6
=
22 6
6
+
4
=
11 3
12
4 6
+
3 7
=
46 42
4
+
3
=
23 21
13
1 5
+
4 9
=
29 45
14
4 9
+
2 3
=
10 9
15
3 4
+
1 2
=
5 4