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분수: 분모가 다른 덧셈4분수1

1
1 2
+
7 6
=
10 6
1
+
7
=
5 3
2
7 6
+
3 3
=
13 6
3
3 3
+
1 5
=
18 15
3
+
1
=
6 5
4
1 5
+
5 4
=
29 20
5
5 4
+
2 6
=
19 12
6
6 5
+
1 7
=
47 35
7
7 2
+
1 7
=
51 14
8
1 7
+
2 5
=
19 35
9
2 5
+
5 3
=
31 15
10
5 3
+
1 2
=
13 6
11
1 2
+
5 8
=
9 8
12
5 8
+
7 5
=
81 40
13
7 5
+
4 4
=
48 20
7
+
4
=
12 5
14
4 4
+
1 2
=
6 4
4
+
1
=
3 2
15
2 2
+
1 9
=
20 18
2
+
1
=
10 9