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분수: 분모 2자리 덧셈6분수1

1
6 10
+
9 10
=
15 10
6
+
9
=
3 2
2
9 81
+
3 81
=
12 81
9
+
3
=
4 27
3
3 12
+
6 12
=
9 12
3
+
6
=
3 4
4
6 20
+
9 20
=
15 20
6
+
9
=
3 4
5
9 72
+
6 72
=
15 72
9
+
6
=
5 24
6
6 51
+
1 51
=
7 51
7
1 12
+
9 12
=
10 12
1
+
9
=
5 6
8
9 71
+
1 71
=
10 71
9
1 43
+
6 43
=
7 43
10
6 15
+
5 15
=
11 15
11
5 45
+
3 45
=
8 45
12
3 47
+
2 47
=
5 47
13
2 29
+
5 29
=
7 29
14
5 90
+
1 90
=
6 90
5
+
1
=
1 15
15
1 60
+
4 60
=
5 60
1
+
4
=
1 12