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분수: 분모가 다른 덧셈1분수0

1
1 7
+
2 4
=
18 28
1
+
2
=
9 14
2
4 8
+
1 4
=
6 8
4
+
1
=
3 4
3
1 2
+
7 3
=
17 6
4
6 3
+
1 6
=
13 6
5
1 6
+
4 2
=
13 6
6
4 2
+
8 4
=
16 4
4
+
8
=
4
7
4 4
+
1 5
=
24 20
4
+
1
=
6 5
8
1 5
+
3 7
=
22 35
9
7 3
+
1 6
=
15 6
7
+
1
=
5 2
10
6 4
+
1 8
=
13 8
11
1 8
+
6 6
=
27 24
1
+
6
=
9 8
12
6 6
+
1 4
=
15 12
6
+
1
=
5 4
13
1 4
+
6 2
=
13 4
14
6 2
+
2 3
=
22 6
6
+
2
=
11 3
15
2 3
+
8 2
=
28 6
2
+
8
=
14 3