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분수: 분모가 다른 덧셈1분수6

1
1 6
+
2 4
=
8 12
1
+
2
=
2 3
2
2 4
+
4 6
=
14 12
2
+
4
=
7 6
3
4 6
+
3 5
=
38 30
4
+
3
=
19 15
4
3 5
+
4 3
=
29 15
5
4 3
+
7 4
=
37 12
6
4 5
+
1 2
=
13 10
7
1 2
+
3 4
=
5 4
8
3 4
+
4 2
=
11 4
9
4 2
+
3 7
=
34 14
4
+
3
=
17 7
10
3 7
+
8 6
=
74 42
3
+
8
=
37 21
11
8 6
+
3 3
=
14 6
8
+
3
=
7 3
12
3 3
+
1 5
=
18 15
3
+
1
=
6 5
13
1 5
+
5 4
=
29 20
14
5 4
+
3 7
=
47 28
15
3 7
+
2 2
=
20 14
3
+
2
=
10 7