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분수: 분모가 다른 덧셈2분수2

1
2 2
+
4 6
=
10 6
2
+
4
=
5 3
2
4 6
+
1 3
=
6 6
4
+
1
=
1
3
1 3
+
4 7
=
19 21
4
4 7
+
1 2
=
15 14
5
2 4
+
1 2
=
4 4
2
+
1
=
1
6
1 2
+
5 6
=
8 6
1
+
5
=
4 3
7
6 7
+
1 9
=
61 63
8
1 9
+
4 2
=
38 18
1
+
4
=
19 9
9
4 2
+
2 4
=
10 4
4
+
2
=
5 2
10
1 7
+
3 3
=
24 21
1
+
3
=
8 7
11
3 3
+
7 5
=
36 15
3
+
7
=
12 5
12
7 5
+
6 2
=
44 10
7
+
6
=
22 5
13
3 6
+
2 8
=
18 24
3
+
2
=
3 4
14
4 2
+
2 5
=
24 10
4
+
2
=
12 5
15
5 2
+
2 7
=
39 14