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분수: 분모가 다른 덧셈1분수2

1
1 2
+
6 7
=
19 14
2
1 8
+
5 5
=
45 40
1
+
5
=
9 8
3
5 5
+
6 4
=
50 20
5
+
6
=
5 2
4
8 7
+
1 2
=
23 14
5
6 2
+
3 3
=
24 6
6
+
3
=
4
6
3 3
+
7 6
=
13 6
7
7 6
+
4 2
=
19 6
8
4 2
+
6 6
=
18 6
4
+
6
=
3
9
6 6
+
1 7
=
48 42
6
+
1
=
8 7
10
1 7
+
9 6
=
69 42
1
+
9
=
23 14
11
9 6
+
3 8
=
45 24
9
+
3
=
15 8
12
3 8
+
1 5
=
23 40
13
5 5
+
6 8
=
70 40
5
+
6
=
7 4
14
6 8
+
5 5
=
70 40
6
+
5
=
7 4
15
5 5
+
7 2
=
45 10
5
+
7
=
9 2