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분수: 분모가 다른 덧셈1분수4

1
1 4
+
4 9
=
25 36
2
4 9
+
8 4
=
88 36
4
+
8
=
22 9
3
8 4
+
2 6
=
28 12
8
+
2
=
7 3
4
6 2
+
9 8
=
33 8
5
9 8
+
1 9
=
89 72
6
1 9
+
6 2
=
56 18
1
+
6
=
28 9
7
6 2
+
9 8
=
33 8
8
9 8
+
4 3
=
59 24
9
3 4
+
2 9
=
35 36
10
2 9
+
1 6
=
7 18
11
1 6
+
4 3
=
9 6
1
+
4
=
3 2
12
4 3
+
3 7
=
37 21
13
3 7
+
2 6
=
32 42
3
+
2
=
16 21
14
2 6
+
7 3
=
16 6
2
+
7
=
8 3
15
7 3
+
3 2
=
23 6