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분수: 분모가 다른 덧셈4분수8

1
8 2
+
1 5
=
42 10
8
+
1
=
21 5
2
6 2
+
4 4
=
16 4
6
+
4
=
4
3
6 4
+
8 7
=
74 28
6
+
8
=
37 14
4
8 7
+
5 2
=
51 14
5
2 2
+
1 3
=
8 6
2
+
1
=
4 3
6
3 3
+
1 5
=
18 15
3
+
1
=
6 5
7
1 5
+
2 3
=
13 15
8
2 3
+
7 5
=
31 15
9
7 5
+
2 8
=
66 40
7
+
2
=
33 20
10
2 8
+
4 4
=
10 8
2
+
4
=
5 4
11
3 4
+
2 7
=
29 28
12
2 7
+
1 5
=
17 35
13
1 5
+
3 7
=
22 35
14
1 5
+
4 3
=
23 15
15
4 3
+
5 7
=
43 21