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분수: 분모가 다른 덧셈1분수4

1
2 4
+
1 6
=
8 12
2
+
1
=
2 3
2
1 2
+
9 4
=
11 4
3
4 5
+
1 4
=
21 20
4
1 4
+
6 8
=
8 8
1
+
6
=
1
5
6 8
+
4 3
=
50 24
6
+
4
=
25 12
6
4 3
+
8 5
=
44 15
7
3 5
+
2 2
=
16 10
3
+
2
=
8 5
8
2 2
+
1 3
=
8 6
2
+
1
=
4 3
9
1 3
+
9 7
=
34 21
10
9 7
+
3 6
=
75 42
9
+
3
=
25 14
11
3 6
+
2 4
=
12 12
3
+
2
=
1
12
2 4
+
4 2
=
10 4
2
+
4
=
5 2
13
4 2
+
5 9
=
46 18
4
+
5
=
23 9
14
5 9
+
4 6
=
22 18
5
+
4
=
11 9
15
4 6
+
6 4
=
26 12
4
+
6
=
13 6