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분수: 분모가 다른 덧셈3분수7

1
7 9
+
1 7
=
58 63
2
1 7
+
9 2
=
65 14
3
1 9
+
8 4
=
76 36
1
+
8
=
19 9
4
8 4
+
4 8
=
20 8
8
+
4
=
5 2
5
4 8
+
1 4
=
6 8
4
+
1
=
3 4
6
1 3
+
6 5
=
23 15
7
6 5
+
2 9
=
64 45
8
2 9
+
4 3
=
14 9
9
4 3
+
3 7
=
37 21
10
4 7
+
3 4
=
37 28
11
4 4
+
3 5
=
32 20
4
+
3
=
8 5
12
3 5
+
1 6
=
23 30
13
3 6
+
4 2
=
15 6
3
+
4
=
5 2
14
4 2
+
7 7
=
42 14
4
+
7
=
3
15
7 7
+
9 5
=
98 35
7
+
9
=
14 5