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분수: 분모가 다른 덧셈7분수1

1
1 2
+
6 4
=
8 4
1
+
6
=
2
2
9 2
+
7 8
=
43 8
3
7 8
+
2 3
=
37 24
4
2 3
+
7 5
=
31 15
5
5 7
+
7 3
=
64 21
6
7 3
+
9 5
=
62 15
7
9 5
+
4 7
=
83 35
8
4 7
+
1 6
=
31 42
9
1 6
+
6 3
=
13 6
10
6 3
+
5 6
=
17 6
11
5 6
+
2 9
=
19 18
12
9 2
+
5 3
=
37 6
13
5 3
+
3 2
=
19 6
14
3 2
+
6 4
=
12 4
3
+
6
=
3
15
6 4
+
2 3
=
26 12
6
+
2
=
13 6