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분수: 분모가 다른 덧셈1분수1

1
1 7
+
4 4
=
32 28
1
+
4
=
8 7
2
4 4
+
7 3
=
40 12
4
+
7
=
10 3
3
6 3
+
3 6
=
15 6
6
+
3
=
5 2
4
3 6
+
6 4
=
24 12
3
+
6
=
2
5
6 4
+
2 3
=
26 12
6
+
2
=
13 6
6
2 3
+
5 6
=
9 6
2
+
5
=
3 2
7
5 5
+
1 9
=
50 45
5
+
1
=
10 9
8
9 6
+
1 2
=
12 6
9
+
1
=
2
9
1 2
+
6 3
=
15 6
1
+
6
=
5 2
10
3 6
+
9 4
=
33 12
3
+
9
=
11 4
11
9 4
+
1 6
=
29 12
12
1 6
+
8 2
=
25 6
13
1 2
+
3 3
=
9 6
1
+
3
=
3 2
14
3 3
+
4 4
=
24 12
3
+
4
=
2
15
7 4
+
6 3
=
45 12
7
+
6
=
15 4