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분수: 분모가 다른 덧셈4분수4

1
6 3
+
1 6
=
13 6
2
2 6
+
1 7
=
20 42
2
+
1
=
10 21
3
7 2
+
1 6
=
22 6
7
+
1
=
11 3
4
1 6
+
6 2
=
19 6
5
6 2
+
4 4
=
16 4
6
+
4
=
4
6
4 4
+
6 3
=
36 12
4
+
6
=
3
7
6 3
+
4 5
=
42 15
6
+
4
=
14 5
8
1 5
+
3 6
=
21 30
1
+
3
=
7 10
9
3 6
+
1 5
=
21 30
3
+
1
=
7 10
10
1 5
+
2 6
=
16 30
1
+
2
=
8 15
11
2 6
+
3 8
=
17 24
12
3 8
+
2 4
=
7 8
13
2 4
+
9 3
=
42 12
2
+
9
=
7 2
14
1 3
+
7 4
=
25 12
15
7 4
+
4 2
=
15 4