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분수: 분모가 다른 덧셈7분수7

1
7 7
+
2 6
=
56 42
7
+
2
=
4 3
2
6 6
+
1 4
=
15 12
6
+
1
=
5 4
3
1 4
+
3 8
=
5 8
4
3 8
+
5 5
=
55 40
3
+
5
=
11 8
5
5 5
+
4 2
=
30 10
5
+
4
=
3
6
4 2
+
8 4
=
16 4
4
+
8
=
4
7
8 4
+
4 8
=
20 8
8
+
4
=
5 2
8
4 8
+
7 2
=
32 8
4
+
7
=
4
9
6 8
+
1 7
=
50 56
6
+
1
=
25 28
10
1 7
+
3 4
=
25 28
11
3 4
+
2 6
=
13 12
12
2 6
+
4 2
=
14 6
2
+
4
=
7 3
13
9 2
+
1 6
=
28 6
9
+
1
=
14 3
14
1 6
+
4 3
=
9 6
1
+
4
=
3 2
15
3 5
+
1 3
=
14 15