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분수: 분모가 다른 덧셈1분수4

1
2 3
+
1 2
=
7 6
2
2 2
+
1 3
=
8 6
2
+
1
=
4 3
3
1 3
+
4 9
=
7 9
4
1 2
+
4 7
=
15 14
5
7 9
+
1 6
=
17 18
6
1 6
+
7 3
=
15 6
1
+
7
=
5 2
7
3 3
+
1 6
=
7 6
8
1 6
+
3 7
=
25 42
9
7 2
+
1 5
=
37 10
10
5 7
+
1 8
=
47 56
11
8 4
+
1 6
=
26 12
8
+
1
=
13 6
12
1 6
+
2 3
=
5 6
13
3 3
+
5 4
=
27 12
3
+
5
=
9 4
14
5 4
+
3 7
=
47 28
15
1 7
+
7 3
=
52 21