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분수: 분모가 다른 덧셈5분수7

1
5 7
+
1 3
=
22 21
2
1 3
+
4 7
=
19 21
3
4 7
+
5 5
=
55 35
4
+
5
=
11 7
4
5 5
+
6 4
=
50 20
5
+
6
=
5 2
5
6 4
+
2 3
=
26 12
6
+
2
=
13 6
6
2 3
+
1 8
=
19 24
7
1 8
+
6 7
=
55 56
8
6 7
+
4 2
=
40 14
6
+
4
=
20 7
9
4 2
+
2 3
=
16 6
4
+
2
=
8 3
10
2 3
+
3 4
=
17 12
11
3 4
+
1 2
=
5 4
12
1 2
+
8 6
=
11 6
13
8 6
+
3 9
=
30 18
8
+
3
=
5 3
14
3 9
+
2 7
=
39 63
3
+
2
=
13 21
15
2 7
+
4 2
=
32 14
2
+
4
=
16 7