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분수: 분모 2자리 덧셈1분수6

1
1 66
+
3 66
=
4 66
1
+
3
=
2 33
2
3 12
+
4 12
=
7 12
3
4 45
+
7 45
=
11 45
4
7 40
+
1 40
=
8 40
7
+
1
=
1 5
5
1 43
+
3 43
=
4 43
6
3 23
+
4 23
=
7 23
7
4 18
+
8 18
=
12 18
4
+
8
=
2 3
8
8 30
+
2 30
=
10 30
8
+
2
=
1 3
9
6 12
+
1 12
=
7 12
10
1 89
+
4 89
=
5 89
11
4 17
+
9 17
=
13 17
12
9 36
+
3 36
=
12 36
9
+
3
=
1 3
13
3 60
+
5 60
=
8 60
3
+
5
=
2 15
14
5 18
+
2 18
=
7 18
15
2 49
+
9 49
=
11 49