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분수: 분모 2자리 덧셈2분수1

1
2 19
+
4 19
=
6 19
2
4 81
+
2 81
=
6 81
4
+
2
=
2 27
3
2 89
+
3 89
=
5 89
4
3 97
+
2 97
=
5 97
5
2 23
+
3 23
=
5 23
6
3 16
+
7 16
=
10 16
3
+
7
=
5 8
7
7 13
+
2 13
=
9 13
8
2 36
+
1 36
=
3 36
2
+
1
=
1 12
9
1 35
+
9 35
=
10 35
1
+
9
=
2 7
10
9 75
+
5 75
=
14 75
11
5 72
+
6 72
=
11 72
12
6 20
+
4 20
=
10 20
6
+
4
=
1 2
13
4 19
+
9 19
=
13 19
14
9 48
+
5 48
=
14 48
9
+
5
=
7 24
15
5 19
+
1 19
=
6 19