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분수: 분모가 다른 덧셈2분수5

1
2 5
+
7 3
=
41 15
2
7 3
+
8 4
=
52 12
7
+
8
=
13 3
3
8 4
+
5 3
=
44 12
8
+
5
=
11 3
4
5 3
+
2 5
=
31 15
5
2 7
+
6 2
=
46 14
2
+
6
=
23 7
6
6 2
+
3 4
=
15 4
7
3 4
+
4 2
=
11 4
8
4 2
+
8 3
=
28 6
4
+
8
=
14 3
9
8 3
+
5 2
=
31 6
10
5 2
+
9 7
=
53 14
11
1 3
+
5 9
=
8 9
12
9 2
+
1 6
=
28 6
9
+
1
=
14 3
13
1 6
+
2 4
=
8 12
1
+
2
=
2 3
14
2 4
+
8 2
=
18 4
2
+
8
=
9 2
15
8 2
+
7 5
=
54 10
8
+
7
=
27 5