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분수: 분모가 다른 덧셈2분수8

1
3 2
+
1 5
=
17 10
2
1 4
+
3 3
=
15 12
1
+
3
=
5 4
3
3 3
+
4 5
=
27 15
3
+
4
=
9 5
4
4 5
+
6 8
=
62 40
4
+
6
=
31 20
5
6 8
+
2 6
=
26 24
6
+
2
=
13 12
6
6 7
+
1 2
=
19 14
7
1 5
+
6 2
=
32 10
1
+
6
=
16 5
8
6 2
+
3 5
=
36 10
6
+
3
=
18 5
9
3 5
+
5 3
=
34 15
10
1 7
+
6 3
=
45 21
1
+
6
=
15 7
11
6 3
+
3 9
=
21 9
6
+
3
=
7 3
12
5 9
+
2 2
=
28 18
5
+
2
=
14 9
13
2 2
+
6 3
=
18 6
2
+
6
=
3
14
3 6
+
1 5
=
21 30
3
+
1
=
7 10
15
1 3
+
7 4
=
25 12