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분수: 분모가 다른 덧셈1분수8

1
8 2
+
1 5
=
42 10
8
+
1
=
21 5
2
1 5
+
6 3
=
33 15
1
+
6
=
11 5
3
3 9
+
5 2
=
51 18
3
+
5
=
17 6
4
2 8
+
1 4
=
4 8
2
+
1
=
1 2
5
4 7
+
1 2
=
15 14
6
1 2
+
7 7
=
21 14
1
+
7
=
3 2
7
1 3
+
3 2
=
11 6
8
3 2
+
6 3
=
21 6
3
+
6
=
7 2
9
6 3
+
8 8
=
72 24
6
+
8
=
3
10
8 8
+
5 7
=
96 56
8
+
5
=
12 7
11
7 5
+
4 4
=
48 20
7
+
4
=
12 5
12
4 4
+
8 6
=
28 12
4
+
8
=
7 3
13
8 6
+
4 3
=
16 6
8
+
4
=
8 3
14
3 4
+
7 5
=
43 20
15
7 5
+
5 2
=
39 10