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분수: 분모가 다른 덧셈2분수1

1
1 3
+
8 4
=
28 12
1
+
8
=
7 3
2
8 4
+
4 8
=
20 8
8
+
4
=
5 2
3
4 8
+
9 5
=
92 40
4
+
9
=
23 10
4
9 5
+
3 7
=
78 35
5
3 7
+
4 2
=
34 14
3
+
4
=
17 7
6
4 2
+
7 8
=
23 8
7
1 5
+
2 3
=
13 15
8
2 3
+
8 2
=
28 6
2
+
8
=
14 3
9
2 9
+
1 5
=
19 45
10
5 2
+
1 6
=
16 6
5
+
1
=
8 3
11
1 6
+
2 8
=
10 24
1
+
2
=
5 12
12
2 8
+
6 2
=
26 8
2
+
6
=
13 4
13
6 2
+
2 3
=
22 6
6
+
2
=
11 3
14
2 3
+
8 4
=
32 12
2
+
8
=
8 3
15
8 4
+
2 8
=
18 8
8
+
2
=
9 4