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분수: 분모가 다른 덧셈2분수4

1
2 4
+
8 2
=
18 4
2
+
8
=
9 2
2
8 2
+
2 8
=
34 8
8
+
2
=
17 4
3
2 8
+
4 5
=
42 40
2
+
4
=
21 20
4
4 5
+
5 2
=
33 10
5
5 2
+
1 4
=
11 4
6
9 5
+
1 7
=
68 35
7
1 7
+
3 4
=
25 28
8
4 4
+
1 3
=
16 12
4
+
1
=
4 3
9
5 3
+
2 2
=
16 6
5
+
2
=
8 3
10
2 2
+
8 3
=
22 6
2
+
8
=
11 3
11
8 3
+
6 4
=
50 12
8
+
6
=
25 6
12
6 4
+
2 2
=
10 4
6
+
2
=
5 2
13
2 7
+
1 2
=
11 14
14
1 2
+
3 4
=
5 4
15
4 3
+
3 2
=
17 6