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분수: 분모가 다른 덧셈2분수2

1
2 2
+
7 5
=
24 10
2
+
7
=
12 5
2
7 5
+
2 7
=
59 35
3
2 2
+
1 3
=
8 6
2
+
1
=
4 3
4
1 3
+
5 4
=
19 12
5
3 5
+
1 3
=
14 15
6
1 3
+
4 8
=
20 24
1
+
4
=
5 6
7
4 8
+
3 2
=
16 8
4
+
3
=
2
8
4 2
+
7 3
=
26 6
4
+
7
=
13 3
9
7 3
+
4 6
=
18 6
7
+
4
=
3
10
4 6
+
9 5
=
74 30
4
+
9
=
37 15
11
9 5
+
4 8
=
92 40
9
+
4
=
23 10
12
4 8
+
1 7
=
36 56
4
+
1
=
9 14
13
1 7
+
2 4
=
18 28
1
+
2
=
9 14
14
2 4
+
1 2
=
4 4
2
+
1
=
1
15
1 2
+
6 6
=
9 6
1
+
6
=
3 2