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분수: 분모가 다른 덧셈2분수9

1
9 7
+
1 4
=
43 28
2
1 7
+
6 4
=
46 28
1
+
6
=
23 14
3
7 4
+
5 9
=
83 36
4
9 5
+
8 4
=
76 20
9
+
8
=
19 5
5
8 4
+
4 5
=
56 20
8
+
4
=
14 5
6
4 5
+
7 3
=
47 15
7
7 3
+
8 7
=
73 21
8
1 4
+
3 7
=
19 28
9
3 7
+
7 4
=
61 28
10
7 4
+
1 9
=
67 36
11
1 9
+
2 5
=
23 45
12
8 5
+
9 3
=
69 15
8
+
9
=
23 5
13
1 5
+
6 8
=
38 40
1
+
6
=
19 20
14
8 6
+
1 7
=
62 42
8
+
1
=
31 21
15
1 7
+
2 9
=
23 63