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분수: 분모가 다른 덧셈2분수7

1
2 7
+
1 3
=
13 21
2
1 3
+
2 6
=
4 6
1
+
2
=
2 3
3
2 6
+
9 3
=
20 6
2
+
9
=
10 3
4
9 3
+
2 5
=
51 15
9
+
2
=
17 5
5
9 5
+
5 8
=
97 40
6
5 8
+
1 3
=
23 24
7
1 3
+
7 5
=
26 15
8
7 5
+
6 7
=
79 35
9
1 6
+
5 5
=
35 30
1
+
5
=
7 6
10
5 5
+
1 3
=
20 15
5
+
1
=
4 3
11
3 4
+
1 3
=
13 12
12
1 3
+
3 6
=
5 6
13
6 2
+
1 9
=
56 18
6
+
1
=
28 9
14
1 9
+
5 3
=
16 9
15
7 3
+
6 5
=
53 15