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분수: 분모가 다른 덧셈2분수0

1
2 6
+
1 3
=
4 6
2
+
1
=
2 3
2
1 8
+
3 7
=
31 56
3
3 7
+
7 3
=
58 21
4
7 3
+
9 6
=
23 6
5
9 6
+
5 9
=
37 18
6
5 9
+
7 4
=
83 36
7
7 4
+
1 6
=
23 12
8
6 3
+
1 8
=
51 24
6
+
1
=
17 8
9
1 8
+
4 2
=
17 8
10
2 4
+
4 2
=
10 4
2
+
4
=
5 2
11
2 4
+
4 5
=
26 20
2
+
4
=
13 10
12
4 5
+
7 8
=
67 40
13
8 4
+
1 9
=
76 36
8
+
1
=
19 9
14
1 9
+
5 7
=
52 63
15
5 7
+
4 2
=
38 14
5
+
4
=
19 7