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분수: 분모가 다른 덧셈4분수2

1
2 6
+
1 4
=
7 12
2
1 4
+
2 5
=
13 20
3
2 5
+
6 3
=
36 15
2
+
6
=
12 5
4
6 3
+
3 9
=
21 9
6
+
3
=
7 3
5
3 9
+
6 5
=
69 45
3
+
6
=
23 15
6
6 5
+
2 8
=
58 40
6
+
2
=
29 20
7
2 8
+
9 9
=
90 72
2
+
9
=
5 4
8
9 9
+
4 2
=
54 18
9
+
4
=
3
9
1 4
+
4 6
=
11 12
10
4 6
+
1 2
=
7 6
11
1 2
+
4 3
=
11 6
12
4 3
+
1 6
=
9 6
4
+
1
=
3 2
13
1 6
+
6 4
=
20 12
1
+
6
=
5 3
14
6 4
+
3 2
=
12 4
6
+
3
=
3
15
2 3
+
4 6
=
8 6
2
+
4
=
4 3