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분수: 분모가 다른 덧셈5분수6

1
6 8
+
1 2
=
10 8
6
+
1
=
5 4
2
1 2
+
6 6
=
9 6
1
+
6
=
3 2
3
6 6
+
2 3
=
10 6
6
+
2
=
5 3
4
2 3
+
4 7
=
26 21
5
4 7
+
2 4
=
30 28
4
+
2
=
15 14
6
2 4
+
4 7
=
30 28
2
+
4
=
15 14
7
4 7
+
3 6
=
45 42
4
+
3
=
15 14
8
6 9
+
1 4
=
33 36
6
+
1
=
11 12
9
1 4
+
5 5
=
25 20
1
+
5
=
5 4
10
5 5
+
2 2
=
20 10
5
+
2
=
2
11
2 2
+
5 6
=
11 6
12
5 5
+
2 7
=
45 35
5
+
2
=
9 7
13
2 7
+
1 9
=
25 63
14
1 2
+
3 9
=
15 18
1
+
3
=
5 6
15
3 9
+
8 2
=
78 18
3
+
8
=
13 3