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분수: 분모가 다른 덧셈3분수0

1
3 6
+
5 7
=
51 42
3
+
5
=
17 14
2
5 7
+
6 4
=
62 28
5
+
6
=
31 14
3
6 4
+
2 9
=
62 36
6
+
2
=
31 18
4
2 9
+
4 8
=
52 72
2
+
4
=
13 18
5
4 8
+
3 2
=
16 8
4
+
3
=
2
6
3 2
+
8 5
=
31 10
7
8 5
+
4 4
=
52 20
8
+
4
=
13 5
8
7 4
+
3 7
=
61 28
9
3 7
+
2 4
=
26 28
3
+
2
=
13 14
10
2 4
+
6 3
=
30 12
2
+
6
=
5 2
11
3 7
+
1 2
=
13 14
12
1 2
+
4 3
=
11 6
13
1 3
+
3 8
=
17 24
14
3 8
+
2 6
=
17 24
15
2 6
+
1 2
=
5 6