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분수: 분모 2자리 덧셈4분수5

1
4 56
+
9 56
=
13 56
2
9 49
+
3 49
=
12 49
3
3 14
+
9 14
=
12 14
3
+
9
=
6 7
4
9 51
+
4 51
=
13 51
5
4 59
+
3 59
=
7 59
6
3 81
+
4 81
=
7 81
7
4 30
+
3 30
=
7 30
8
3 67
+
5 67
=
8 67
9
5 92
+
2 92
=
7 92
10
2 45
+
8 45
=
10 45
2
+
8
=
2 9
11
1 68
+
6 68
=
7 68
12
6 20
+
2 20
=
8 20
6
+
2
=
2 5
13
1 12
+
3 12
=
4 12
1
+
3
=
1 3
14
3 50
+
7 50
=
10 50
3
+
7
=
1 5
15
7 60
+
8 60
=
15 60
7
+
8
=
1 4