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분수: 분모가 다른 덧셈2분수9

1
9 7
+
1 9
=
88 63
2
9 9
+
1 4
=
45 36
9
+
1
=
5 4
3
1 2
+
5 8
=
9 8
4
5 8
+
2 4
=
9 8
5
2 4
+
1 6
=
8 12
2
+
1
=
2 3
6
6 2
+
1 9
=
56 18
6
+
1
=
28 9
7
1 9
+
9 2
=
83 18
8
9 2
+
1 7
=
65 14
9
1 7
+
3 5
=
26 35
10
3 5
+
1 7
=
26 35
11
1 3
+
5 4
=
19 12
12
5 4
+
1 6
=
17 12
13
1 6
+
3 9
=
9 18
1
+
3
=
1 2
14
3 9
+
4 8
=
60 72
3
+
4
=
5 6
15
4 8
+
1 4
=
6 8
4
+
1
=
3 4