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분수: 분모 2자리 덧셈4분수3

1
4 31
+
3 31
=
7 31
2
3 12
+
5 12
=
8 12
3
+
5
=
2 3
3
5 86
+
7 86
=
12 86
5
+
7
=
6 43
4
7 28
+
1 28
=
8 28
7
+
1
=
2 7
5
1 41
+
5 41
=
6 41
6
5 24
+
9 24
=
14 24
5
+
9
=
7 12
7
9 26
+
8 26
=
17 26
8
8 62
+
5 62
=
13 62
9
5 16
+
9 16
=
14 16
5
+
9
=
7 8
10
9 36
+
5 36
=
14 36
9
+
5
=
7 18
11
5 84
+
4 84
=
9 84
5
+
4
=
3 28
12
2 34
+
8 34
=
10 34
2
+
8
=
5 17
13
8 94
+
2 94
=
10 94
8
+
2
=
5 47
14
2 65
+
3 65
=
5 65
2
+
3
=
1 13
15
3 86
+
1 86
=
4 86
3
+
1
=
2 43