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분수: 분모가 다른 덧셈3분수8

1
3 8
+
7 2
=
31 8
2
7 2
+
1 3
=
23 6
3
1 3
+
2 5
=
11 15
4
5 5
+
1 2
=
15 10
5
+
1
=
3 2
5
1 2
+
3 8
=
7 8
6
8 2
+
1 3
=
26 6
8
+
1
=
13 3
7
2 2
+
9 4
=
13 4
8
3 4
+
7 3
=
37 12
9
7 3
+
1 5
=
38 15
10
1 5
+
6 3
=
33 15
1
+
6
=
11 5
11
6 3
+
5 5
=
45 15
6
+
5
=
3
12
5 5
+
6 7
=
65 35
5
+
6
=
13 7
13
6 7
+
2 9
=
68 63
14
2 9
+
4 3
=
14 9
15
4 3
+
1 8
=
35 24