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분수: 분모가 다른 덧셈4분수4

1
4 4
+
7 2
=
18 4
4
+
7
=
9 2
2
7 2
+
2 8
=
30 8
7
+
2
=
15 4
3
2 8
+
5 4
=
12 8
2
+
5
=
3 2
4
5 4
+
7 7
=
63 28
5
+
7
=
9 4
5
7 7
+
1 4
=
35 28
7
+
1
=
5 4
6
1 4
+
6 6
=
15 12
1
+
6
=
5 4
7
6 6
+
4 5
=
54 30
6
+
4
=
9 5
8
4 4
+
1 7
=
32 28
4
+
1
=
8 7
9
1 7
+
2 2
=
16 14
1
+
2
=
8 7
10
2 2
+
7 6
=
13 6
11
7 6
+
4 4
=
26 12
7
+
4
=
13 6
12
4 4
+
9 6
=
30 12
4
+
9
=
5 2
13
9 6
+
3 7
=
81 42
9
+
3
=
27 14
14
3 7
+
4 6
=
46 42
3
+
4
=
23 21
15
6 3
+
1 6
=
13 6