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분수: 분모가 다른 덧셈1분수8

1
1 2
+
9 4
=
11 4
2
9 4
+
7 3
=
55 12
3
7 3
+
1 9
=
22 9
4
1 9
+
3 2
=
29 18
5
3 2
+
1 4
=
7 4
6
1 4
+
7 2
=
15 4
7
7 2
+
5 6
=
26 6
7
+
5
=
13 3
8
1 2
+
6 4
=
8 4
1
+
6
=
2
9
6 4
+
4 8
=
16 8
6
+
4
=
2
10
4 8
+
3 9
=
60 72
4
+
3
=
5 6
11
9 3
+
4 5
=
57 15
9
+
4
=
19 5
12
5 4
+
1 9
=
49 36
13
1 9
+
6 3
=
19 9
14
7 3
+
5 8
=
71 24
15
5 8
+
2 3
=
31 24