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분수: 분모가 다른 덧셈2분수2

1
2 2
+
3 3
=
12 6
2
+
3
=
2
2
3 3
+
1 4
=
15 12
3
+
1
=
5 4
3
1 4
+
4 2
=
9 4
4
2 3
+
1 4
=
11 12
5
5 5
+
1 3
=
20 15
5
+
1
=
4 3
6
1 3
+
2 9
=
5 9
7
2 9
+
5 7
=
59 63
8
7 9
+
1 5
=
44 45
9
5 4
+
1 8
=
11 8
10
3 8
+
5 3
=
49 24
11
3 3
+
1 7
=
24 21
3
+
1
=
8 7
12
1 7
+
6 2
=
44 14
1
+
6
=
22 7
13
7 5
+
3 8
=
71 40
14
3 8
+
5 4
=
13 8
15
4 3
+
1 6
=
9 6
4
+
1
=
3 2