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분수: 분모가 다른 덧셈3분수2

1
3 2
+
4 3
=
17 6
2
4 3
+
1 5
=
23 15
3
1 5
+
4 4
=
24 20
1
+
4
=
6 5
4
4 4
+
1 3
=
16 12
4
+
1
=
4 3
5
1 3
+
4 4
=
16 12
1
+
4
=
4 3
6
4 4
+
9 5
=
56 20
4
+
9
=
14 5
7
5 3
+
1 4
=
23 12
8
1 4
+
3 9
=
21 36
1
+
3
=
7 12
9
3 9
+
7 5
=
78 45
3
+
7
=
26 15
10
7 5
+
2 8
=
66 40
7
+
2
=
33 20
11
2 8
+
5 5
=
50 40
2
+
5
=
5 4
12
5 5
+
8 2
=
50 10
5
+
8
=
5
13
2 7
+
1 2
=
11 14
14
1 2
+
9 8
=
13 8
15
9 8
+
1 6
=
31 24