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분수: 분모가 다른 덧셈3분수9

1
3 9
+
8 4
=
84 36
3
+
8
=
7 3
2
4 8
+
1 6
=
16 24
4
+
1
=
2 3
3
1 6
+
2 4
=
8 12
1
+
2
=
2 3
4
2 4
+
6 6
=
18 12
2
+
6
=
3 2
5
6 6
+
1 4
=
15 12
6
+
1
=
5 4
6
2 4
+
3 7
=
26 28
2
+
3
=
13 14
7
3 7
+
9 5
=
78 35
8
9 5
+
2 3
=
37 15
9
4 3
+
2 6
=
10 6
4
+
2
=
5 3
10
2 6
+
1 3
=
4 6
2
+
1
=
2 3
11
1 4
+
3 9
=
21 36
1
+
3
=
7 12
12
3 9
+
2 6
=
12 18
3
+
2
=
2 3
13
2 6
+
9 5
=
64 30
2
+
9
=
32 15
14
9 5
+
1 3
=
32 15
15
1 2
+
3 8
=
7 8