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분수: 분모가 다른 덧셈6분수2

1
1 4
+
7 3
=
31 12
2
7 3
+
5 9
=
26 9
3
5 9
+
6 5
=
79 45
4
6 5
+
8 3
=
58 15
5
8 3
+
6 4
=
50 12
8
+
6
=
25 6
6
6 4
+
1 2
=
8 4
6
+
1
=
2
7
1 2
+
6 4
=
8 4
1
+
6
=
2
8
4 6
+
1 2
=
7 6
9
1 2
+
8 9
=
25 18
10
8 9
+
5 3
=
23 9
11
3 2
+
1 7
=
23 14
12
1 7
+
2 8
=
22 56
1
+
2
=
11 28
13
2 6
+
1 9
=
8 18
2
+
1
=
4 9
14
1 9
+
2 3
=
7 9
15
2 3
+
1 5
=
13 15