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분수: 분모가 다른 덧셈2분수1

1
1 8
+
5 2
=
21 8
2
2 5
+
4 7
=
34 35
3
4 7
+
3 3
=
33 21
4
+
3
=
11 7
4
3 3
+
5 8
=
39 24
3
+
5
=
13 8
5
8 4
+
1 3
=
28 12
8
+
1
=
7 3
6
1 3
+
4 2
=
14 6
1
+
4
=
7 3
7
4 2
+
8 9
=
52 18
4
+
8
=
26 9
8
8 9
+
3 2
=
43 18
9
3 2
+
2 5
=
19 10
10
2 5
+
7 4
=
43 20
11
7 4
+
4 5
=
51 20
12
4 5
+
1 3
=
17 15
13
3 5
+
1 3
=
14 15
14
7 2
+
6 3
=
33 6
7
+
6
=
11 2
15
6 3
+
1 5
=
33 15
6
+
1
=
11 5