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분수: 분모가 다른 덧셈3분수6

1
3 6
+
4 4
=
18 12
3
+
4
=
3 2
2
4 4
+
7 3
=
40 12
4
+
7
=
10 3
3
7 3
+
4 2
=
26 6
7
+
4
=
13 3
4
2 4
+
3 3
=
18 12
2
+
3
=
3 2
5
3 3
+
1 8
=
27 24
3
+
1
=
9 8
6
1 8
+
3 3
=
27 24
1
+
3
=
9 8
7
3 3
+
6 2
=
24 6
3
+
6
=
4
8
6 2
+
7 4
=
19 4
9
7 4
+
4 7
=
65 28
10
4 7
+
3 3
=
33 21
4
+
3
=
11 7
11
3 3
+
1 2
=
9 6
3
+
1
=
3 2
12
1 2
+
7 6
=
10 6
1
+
7
=
5 3
13
6 2
+
1 6
=
19 6
14
1 6
+
3 5
=
23 30
15
5 6
+
1 7
=
41 42