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분수: 분모 2자리 덧셈6분수2

1
6 20
+
1 20
=
7 20
2
1 85
+
3 85
=
4 85
3
3 28
+
5 28
=
8 28
3
+
5
=
2 7
4
5 71
+
7 71
=
12 71
5
7 63
+
4 63
=
11 63
6
4 43
+
9 43
=
13 43
7
9 20
+
1 20
=
10 20
9
+
1
=
1 2
8
1 62
+
7 62
=
8 62
1
+
7
=
4 31
9
7 10
+
4 10
=
11 10
10
4 19
+
6 19
=
10 19
11
6 24
+
2 24
=
8 24
6
+
2
=
1 3
12
2 54
+
1 54
=
3 54
2
+
1
=
1 18
13
1 78
+
5 78
=
6 78
1
+
5
=
1 13
14
6 95
+
7 95
=
13 95
15
6 75
+
9 75
=
15 75
6
+
9
=
1 5