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분수: 분모가 다른 덧셈4분수6

1
4 6
+
1 5
=
26 30
4
+
1
=
13 15
2
1 5
+
7 3
=
38 15
3
3 3
+
2 4
=
18 12
3
+
2
=
3 2
4
2 4
+
7 7
=
42 28
2
+
7
=
3 2
5
7 7
+
8 4
=
84 28
7
+
8
=
3
6
8 4
+
2 9
=
80 36
8
+
2
=
20 9
7
2 9
+
1 7
=
23 63
8
1 7
+
7 5
=
54 35
9
7 5
+
6 6
=
72 30
7
+
6
=
12 5
10
6 9
+
1 7
=
51 63
6
+
1
=
17 21
11
1 7
+
7 6
=
55 42
12
7 6
+
6 3
=
19 6
13
6 3
+
2 6
=
14 6
6
+
2
=
7 3
14
6 2
+
1 4
=
13 4
15
1 4
+
2 2
=
5 4