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분수: 분모가 다른 덧셈6분수7

1
3 7
+
4 2
=
34 14
3
+
4
=
17 7
2
4 2
+
7 3
=
26 6
4
+
7
=
13 3
3
7 3
+
2 6
=
16 6
7
+
2
=
8 3
4
6 2
+
2 3
=
22 6
6
+
2
=
11 3
5
2 3
+
3 7
=
23 21
6
7 8
+
1 4
=
9 8
7
1 4
+
5 5
=
25 20
1
+
5
=
5 4
8
5 5
+
9 3
=
60 15
5
+
9
=
4
9
3 9
+
6 3
=
21 9
3
+
6
=
7 3
10
6 3
+
9 4
=
51 12
6
+
9
=
17 4
11
9 4
+
2 6
=
31 12
12
2 6
+
4 5
=
34 30
2
+
4
=
17 15
13
1 8
+
2 2
=
9 8
14
2 2
+
1 8
=
9 8
15
1 8
+
4 6
=
19 24