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분수: 분모가 다른 덧셈3분수4

1
3 4
+
5 6
=
19 12
2
5 6
+
2 7
=
47 42
3
2 7
+
5 2
=
39 14
4
5 2
+
4 5
=
33 10
5
4 5
+
9 4
=
61 20
6
9 4
+
2 2
=
13 4
7
2 2
+
3 6
=
9 6
2
+
3
=
3 2
8
3 6
+
1 4
=
9 12
3
+
1
=
3 4
9
4 4
+
3 5
=
32 20
4
+
3
=
8 5
10
3 5
+
6 3
=
39 15
3
+
6
=
13 5
11
6 3
+
7 5
=
51 15
6
+
7
=
17 5
12
7 5
+
2 8
=
66 40
7
+
2
=
33 20
13
8 2
+
4 8
=
36 8
8
+
4
=
9 2
14
8 4
+
5 7
=
76 28
8
+
5
=
19 7
15
5 7
+
1 5
=
32 35