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분수: 분모가 다른 덧셈1분수5

1
1 5
+
3 3
=
18 15
1
+
3
=
6 5
2
3 3
+
2 8
=
30 24
3
+
2
=
5 4
3
2 8
+
1 7
=
22 56
2
+
1
=
11 28
4
1 7
+
4 4
=
32 28
1
+
4
=
8 7
5
4 6
+
1 2
=
7 6
6
1 2
+
5 4
=
7 4
7
5 4
+
3 9
=
57 36
5
+
3
=
19 12
8
3 9
+
7 7
=
84 63
3
+
7
=
4 3
9
1 7
+
3 3
=
24 21
1
+
3
=
8 7
10
3 3
+
1 2
=
9 6
3
+
1
=
3 2
11
1 2
+
7 4
=
9 4
12
7 4
+
1 5
=
39 20
13
1 5
+
2 4
=
14 20
1
+
2
=
7 10
14
1 4
+
9 2
=
19 4
15
9 2
+
1 7
=
65 14