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분수: 분모가 다른 덧셈2분수1

1
1 5
+
7 8
=
43 40
2
7 8
+
2 9
=
79 72
3
2 2
+
1 8
=
9 8
4
1 8
+
4 5
=
37 40
5
3 5
+
6 7
=
51 35
6
6 7
+
2 3
=
32 21
7
2 3
+
3 4
=
17 12
8
4 3
+
7 4
=
37 12
9
7 4
+
3 8
=
17 8
10
3 8
+
8 4
=
19 8
11
4 8
+
3 6
=
24 24
4
+
3
=
1
12
3 6
+
2 5
=
27 30
3
+
2
=
9 10
13
5 2
+
1 5
=
27 10
14
1 5
+
6 2
=
32 10
1
+
6
=
16 5
15
6 2
+
3 8
=
27 8