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분수: 분모가 다른 덧셈2분수3

1
2 3
+
9 2
=
31 6
2
9 2
+
3 3
=
33 6
9
+
3
=
11 2
3
3 3
+
5 6
=
11 6
4
5 6
+
6 2
=
23 6
5
6 2
+
1 3
=
20 6
6
+
1
=
10 3
6
1 3
+
9 4
=
31 12
7
9 4
+
6 3
=
51 12
9
+
6
=
17 4
8
5 3
+
2 4
=
26 12
5
+
2
=
13 6
9
2 4
+
8 3
=
38 12
2
+
8
=
19 6
10
8 3
+
2 2
=
22 6
8
+
2
=
11 3
11
2 2
+
8 4
=
12 4
2
+
8
=
3
12
8 4
+
2 6
=
28 12
8
+
2
=
7 3
13
6 2
+
5 5
=
40 10
6
+
5
=
4
14
5 5
+
4 4
=
40 20
5
+
4
=
2
15
4 5
+
1 3
=
17 15