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분수: 분모 2자리 덧셈4분수4

1
4 46
+
2 46
=
6 46
4
+
2
=
3 23
2
2 80
+
4 80
=
6 80
2
+
4
=
3 40
3
4 71
+
3 71
=
7 71
4
3 83
+
4 83
=
7 83
5
4 40
+
2 40
=
6 40
4
+
2
=
3 20
6
2 97
+
8 97
=
10 97
7
8 41
+
4 41
=
12 41
8
3 94
+
6 94
=
9 94
9
6 37
+
8 37
=
14 37
10
8 74
+
2 74
=
10 74
8
+
2
=
5 37
11
2 44
+
6 44
=
8 44
2
+
6
=
2 11
12
6 28
+
9 28
=
15 28
13
9 23
+
5 23
=
14 23
14
5 15
+
1 15
=
6 15
5
+
1
=
2 5
15
1 23
+
5 23
=
6 23