분수 2자리 (분모가 같은)
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분수: 분모 2자리 덧셈5분수7
1
5
70
+
2
70
=
7
70
5
+
2
=
1
10
2
2
16
+
1
16
=
3
16
3
1
68
+
3
68
=
4
68
1
+
3
=
1
17
4
3
60
+
5
60
=
8
60
3
+
5
=
2
15
5
5
21
+
4
21
=
9
21
5
+
4
=
3
7
6
4
64
+
8
64
=
12
64
4
+
8
=
3
16
7
8
75
+
3
75
=
11
75
8
3
31
+
9
31
=
12
31
9
9
64
+
1
64
=
10
64
9
+
1
=
5
32
10
1
16
+
3
16
=
4
16
1
+
3
=
1
4
11
3
31
+
8
31
=
11
31
12
8
40
+
3
40
=
11
40
13
3
60
+
2
60
=
5
60
3
+
2
=
1
12
14
2
85
+
5
85
=
7
85
15
5
66
+
1
66
=
6
66
5
+
1
=
1
11