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분수: 분모가 다른 덧셈4분수4

1
4 4
+
3 5
=
32 20
4
+
3
=
8 5
2
3 5
+
6 3
=
39 15
3
+
6
=
13 5
3
3 6
+
1 3
=
5 6
4
3 3
+
1 5
=
18 15
3
+
1
=
6 5
5
1 5
+
9 8
=
53 40
6
8 4
+
1 5
=
44 20
8
+
1
=
11 5
7
2 5
+
1 4
=
13 20
8
1 4
+
4 6
=
11 12
9
4 6
+
2 7
=
40 42
4
+
2
=
20 21
10
2 7
+
3 6
=
33 42
2
+
3
=
11 14
11
3 6
+
1 3
=
5 6
12
1 3
+
4 8
=
20 24
1
+
4
=
5 6
13
2 8
+
6 3
=
54 24
2
+
6
=
9 4
14
7 3
+
4 2
=
26 6
7
+
4
=
13 3
15
2 9
+
1 7
=
23 63