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분수: 분모가 다른 덧셈2분수1

1
1 7
+
5 2
=
37 14
2
5 2
+
3 6
=
18 6
5
+
3
=
3
3
3 6
+
7 4
=
27 12
3
+
7
=
9 4
4
7 4
+
1 2
=
9 4
5
1 2
+
6 8
=
10 8
1
+
6
=
5 4
6
8 6
+
3 8
=
41 24
7
3 8
+
1 6
=
13 24
8
1 6
+
9 5
=
59 30
9
2 5
+
5 6
=
37 30
10
5 6
+
1 7
=
41 42
11
1 7
+
2 6
=
20 42
1
+
2
=
10 21
12
1 2
+
3 4
=
5 4
13
3 4
+
6 7
=
45 28
14
6 7
+
5 5
=
65 35
6
+
5
=
13 7
15
5 5
+
7 4
=
55 20
5
+
7
=
11 4