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분수: 분모가 다른 덧셈4분수9

1
4 9
+
2 5
=
38 45
2
2 5
+
4 7
=
34 35
3
4 5
+
1 4
=
21 20
4
1 4
+
3 3
=
15 12
1
+
3
=
5 4
5
3 3
+
2 2
=
12 6
3
+
2
=
2
6
2 4
+
1 3
=
10 12
2
+
1
=
5 6
7
4 9
+
6 4
=
70 36
4
+
6
=
35 18
8
3 4
+
1 9
=
31 36
9
9 9
+
1 6
=
21 18
9
+
1
=
7 6
10
1 6
+
7 3
=
15 6
1
+
7
=
5 2
11
7 3
+
1 7
=
52 21
12
4 7
+
5 4
=
51 28
13
5 4
+
7 9
=
73 36
14
3 9
+
9 4
=
93 36
3
+
9
=
31 12
15
9 4
+
2 6
=
31 12