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분수: 분모가 다른 덧셈2분수1

1
1 3
+
4 6
=
6 6
1
+
4
=
1
2
4 6
+
7 2
=
25 6
3
7 2
+
6 3
=
33 6
7
+
6
=
11 2
4
6 3
+
4 5
=
42 15
6
+
4
=
14 5
5
1 2
+
9 6
=
12 6
1
+
9
=
2
6
9 6
+
1 9
=
29 18
7
1 9
+
6 3
=
19 9
8
6 3
+
7 5
=
51 15
6
+
7
=
17 5
9
7 5
+
9 6
=
87 30
7
+
9
=
29 10
10
9 6
+
2 7
=
75 42
9
+
2
=
25 14
11
2 7
+
4 3
=
34 21
12
4 3
+
8 7
=
52 21
13
8 7
+
3 3
=
45 21
8
+
3
=
15 7
14
3 3
+
5 2
=
21 6
3
+
5
=
7 2
15
5 2
+
3 4
=
13 4