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분수: 분모가 다른 덧셈8분수4

1
7 4
+
1 9
=
67 36
2
1 9
+
2 6
=
8 18
1
+
2
=
4 9
3
2 6
+
1 5
=
16 30
2
+
1
=
8 15
4
5 4
+
1 3
=
19 12
5
1 3
+
5 2
=
17 6
6
2 2
+
6 4
=
10 4
2
+
6
=
5 2
7
6 4
+
7 6
=
32 12
6
+
7
=
8 3
8
7 6
+
2 2
=
13 6
9
2 2
+
4 8
=
12 8
2
+
4
=
3 2
10
4 8
+
2 2
=
12 8
4
+
2
=
3 2
11
2 6
+
1 8
=
11 24
12
1 8
+
6 2
=
25 8
13
6 2
+
3 7
=
48 14
6
+
3
=
24 7
14
3 7
+
1 4
=
19 28
15
1 7
+
4 2
=
30 14
1
+
4
=
15 7