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분수: 분모가 다른 덧셈1분수4

1
1 2
+
2 3
=
7 6
2
2 3
+
1 8
=
19 24
3
1 6
+
2 7
=
19 42
4
2 7
+
7 5
=
59 35
5
7 5
+
2 3
=
31 15
6
2 3
+
8 2
=
28 6
2
+
8
=
14 3
7
8 2
+
4 6
=
28 6
8
+
4
=
14 3
8
4 6
+
6 3
=
16 6
4
+
6
=
8 3
9
1 3
+
2 2
=
8 6
1
+
2
=
4 3
10
2 2
+
7 5
=
24 10
2
+
7
=
12 5
11
5 7
+
7 3
=
64 21
12
7 3
+
1 8
=
59 24
13
1 5
+
2 9
=
19 45
14
2 9
+
3 8
=
43 72
15
3 8
+
8 4
=
19 8