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분수: 분모가 다른 덧셈1분수6

1
1 3
+
7 5
=
26 15
2
7 5
+
8 4
=
68 20
7
+
8
=
17 5
3
8 4
+
1 7
=
60 28
8
+
1
=
15 7
4
1 7
+
5 5
=
40 35
1
+
5
=
8 7
5
5 9
+
1 6
=
13 18
6
1 6
+
3 9
=
9 18
1
+
3
=
1 2
7
3 9
+
6 3
=
21 9
3
+
6
=
7 3
8
3 6
+
7 2
=
24 6
3
+
7
=
4
9
2 2
+
1 4
=
5 4
10
1 4
+
4 3
=
19 12
11
3 6
+
1 4
=
9 12
3
+
1
=
3 4
12
1 4
+
8 9
=
41 36
13
9 5
+
1 3
=
32 15
14
1 3
+
4 8
=
20 24
1
+
4
=
5 6
15
1 8
+
2 2
=
9 8