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분수: 분모가 다른 덧셈3분수7

1
3 7
+
4 9
=
55 63
2
4 9
+
1 6
=
11 18
3
1 7
+
5 8
=
43 56
4
5 2
+
1 6
=
16 6
5
+
1
=
8 3
5
1 6
+
5 9
=
13 18
6
5 9
+
1 5
=
34 45
7
1 5
+
8 8
=
48 40
1
+
8
=
6 5
8
1 8
+
2 2
=
9 8
9
2 2
+
3 5
=
16 10
2
+
3
=
8 5
10
3 3
+
1 4
=
15 12
3
+
1
=
5 4
11
1 4
+
3 6
=
9 12
1
+
3
=
3 4
12
3 6
+
2 8
=
18 24
3
+
2
=
3 4
13
8 2
+
3 7
=
62 14
8
+
3
=
31 7
14
3 7
+
1 4
=
19 28
15
1 4
+
4 5
=
21 20