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분수: 분모가 다른 덧셈4분수5

1
4 5
+
9 4
=
61 20
2
9 4
+
4 6
=
35 12
3
4 6
+
3 4
=
17 12
4
4 2
+
1 6
=
13 6
5
1 4
+
3 6
=
9 12
1
+
3
=
3 4
6
3 6
+
4 2
=
15 6
3
+
4
=
5 2
7
4 2
+
1 4
=
9 4
8
1 4
+
7 2
=
15 4
9
1 9
+
3 4
=
31 36
10
3 4
+
4 5
=
31 20
11
4 5
+
5 9
=
61 45
12
9 5
+
3 3
=
42 15
9
+
3
=
14 5
13
3 3
+
6 6
=
12 6
3
+
6
=
2
14
6 6
+
1 4
=
15 12
6
+
1
=
5 4
15
1 4
+
7 8
=
9 8