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분수: 분모가 다른 덧셈2분수7

1
2 7
+
1 3
=
13 21
2
3 9
+
1 5
=
24 45
3
+
1
=
8 15
3
1 5
+
2 7
=
17 35
4
2 7
+
1 6
=
19 42
5
1 6
+
9 5
=
59 30
6
1 2
+
9 9
=
27 18
1
+
9
=
3 2
7
9 9
+
2 6
=
24 18
9
+
2
=
4 3
8
1 3
+
3 7
=
16 21
9
3 7
+
2 9
=
41 63
10
2 9
+
4 4
=
44 36
2
+
4
=
11 9
11
2 4
+
8 8
=
12 8
2
+
8
=
3 2
12
1 8
+
4 7
=
39 56
13
4 7
+
1 3
=
19 21
14
3 3
+
6 2
=
24 6
3
+
6
=
4
15
1 6
+
5 3
=
11 6