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분수: 분모가 다른 덧셈4분수4

1
4 4
+
5 6
=
22 12
4
+
5
=
11 6
2
5 6
+
1 5
=
31 30
3
1 4
+
3 3
=
15 12
1
+
3
=
5 4
4
3 3
+
4 7
=
33 21
3
+
4
=
11 7
5
7 2
+
1 7
=
51 14
6
7 5
+
1 7
=
54 35
7
1 7
+
9 3
=
66 21
1
+
9
=
22 7
8
9 3
+
3 5
=
54 15
9
+
3
=
18 5
9
3 5
+
4 8
=
44 40
3
+
4
=
11 10
10
4 8
+
6 5
=
68 40
4
+
6
=
17 10
11
6 5
+
4 4
=
44 20
6
+
4
=
11 5
12
1 2
+
3 6
=
6 6
1
+
3
=
1
13
4 6
+
3 7
=
46 42
4
+
3
=
23 21
14
7 4
+
1 2
=
9 4
15
1 2
+
2 3
=
7 6