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분수: 분모가 다른 덧셈2분수1

1
1 9
+
4 4
=
40 36
1
+
4
=
10 9
2
4 4
+
9 3
=
48 12
4
+
9
=
4
3
9 3
+
8 5
=
69 15
9
+
8
=
23 5
4
8 5
+
6 9
=
102 45
8
+
6
=
34 15
5
6 9
+
2 8
=
66 72
6
+
2
=
11 12
6
1 3
+
8 9
=
11 9
7
8 9
+
9 5
=
121 45
8
9 5
+
2 9
=
91 45
9
9 2
+
1 4
=
19 4
10
1 8
+
6 3
=
51 24
1
+
6
=
17 8
11
2 3
+
4 7
=
26 21
12
4 7
+
3 5
=
41 35
13
5 6
+
1 8
=
23 24
14
1 8
+
2 3
=
19 24
15
2 3
+
6 2
=
22 6
2
+
6
=
11 3