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분수: 분모가 다른 덧셈1분수8

1
8 4
+
1 3
=
28 12
8
+
1
=
7 3
2
1 3
+
2 2
=
8 6
1
+
2
=
4 3
3
2 2
+
6 3
=
18 6
2
+
6
=
3
4
6 3
+
1 7
=
45 21
6
+
1
=
15 7
5
1 7
+
6 3
=
45 21
1
+
6
=
15 7
6
6 3
+
7 4
=
45 12
6
+
7
=
15 4
7
7 4
+
3 7
=
61 28
8
3 7
+
6 3
=
51 21
3
+
6
=
17 7
9
6 3
+
3 5
=
39 15
6
+
3
=
13 5
10
5 7
+
1 5
=
32 35
11
1 5
+
7 9
=
44 45
12
7 9
+
1 7
=
58 63
13
1 7
+
3 9
=
30 63
1
+
3
=
10 21
14
9 3
+
2 5
=
51 15
9
+
2
=
17 5
15
2 3
+
5 2
=
19 6