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분수: 분모가 다른 덧셈4분수2

1
2 2
+
1 6
=
7 6
2
1 5
+
2 2
=
12 10
1
+
2
=
6 5
3
2 2
+
4 4
=
8 4
2
+
4
=
2
4
4 4
+
3 7
=
40 28
4
+
3
=
10 7
5
3 7
+
9 9
=
90 63
3
+
9
=
10 7
6
9 5
+
1 9
=
86 45
7
1 9
+
6 3
=
19 9
8
3 7
+
1 4
=
19 28
9
1 4
+
8 5
=
37 20
10
8 5
+
7 7
=
91 35
8
+
7
=
13 5
11
7 7
+
6 2
=
56 14
7
+
6
=
4
12
6 2
+
3 8
=
27 8
13
3 8
+
5 7
=
61 56
14
5 7
+
2 4
=
34 28
5
+
2
=
17 14
15
2 4
+
3 2
=
8 4
2
+
3
=
2