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분수: 분모가 다른 덧셈2분수4

1
2 4
+
5 2
=
12 4
2
+
5
=
3
2
5 2
+
6 3
=
27 6
5
+
6
=
9 2
3
6 3
+
2 7
=
48 21
6
+
2
=
16 7
4
2 7
+
4 4
=
36 28
2
+
4
=
9 7
5
4 4
+
3 7
=
40 28
4
+
3
=
10 7
6
9 3
+
7 6
=
25 6
7
7 6
+
5 2
=
22 6
7
+
5
=
11 3
8
5 2
+
9 3
=
33 6
5
+
9
=
11 2
9
9 3
+
6 2
=
36 6
9
+
6
=
6
10
2 6
+
6 2
=
20 6
2
+
6
=
10 3
11
6 2
+
3 9
=
60 18
6
+
3
=
10 3
12
9 3
+
3 7
=
72 21
9
+
3
=
24 7
13
4 7
+
1 6
=
31 42
14
1 6
+
6 3
=
13 6
15
6 3
+
7 4
=
45 12
6
+
7
=
15 4