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분수 2자리 (분모가 같은)

1
3 90
+
2 90
=
5 90
3
+
2
=
1 18
2
2 90
+
5 90
=
7 90
3
5 48
+
3 48
=
8 48
5
+
3
=
1 6
4
3 73
+
8 73
=
11 73
5
8 21
+
2 21
=
10 21
6
2 99
+
7 99
=
9 99
2
+
7
=
1 11
7
7 25
+
2 25
=
9 25
8
2 23
+
8 23
=
10 23
9
8 38
+
6 38
=
14 38
8
+
6
=
7 19
10
6 47
+
9 47
=
15 47
11
9 57
+
6 57
=
15 57
9
+
6
=
5 19
12
6 47
+
1 47
=
7 47
13
1 49
+
2 49
=
3 49
14
2 24
+
1 24
=
3 24
2
+
1
=
1 8
15
1 50
+
3 50
=
4 50
1
+
3
=
2 25
▲